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• Article titled “The Problem of the Graphite Structure,” by LP about the errors of the currently accepted structure of graphite. He suggests the new structure having different constants.
• Article titled, “Structural Chemistry in Relation to Biology and Medicine” written by LP. LP says how the progress made in medicine during the past fifty years has been due to the advancements of science. Many antibiotics and medications have been found accidently. However, progress in the field of structural medical chemistry is sure to be slow since the problems are difficult, but the fact that it will increase the health and happiness for humanity is reason to pursue it. The article was lectured at the Second Bicentennial Science Lecture of The City College Chemistry Alumni Association, New York, December 7, 1949.
• Bill from Adohr Milk Farms, Inc. to LP for $34.09. [Filed under LP Biographical: Business and Financial: (Assorted Bill, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
• Bill from Robert I. Boyd, M.D. to LP for $7.00. Handwritten note: “Paid 3/14/50.” [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
• Booklet: Militarism in Education, National Council Against Conscription, February 1950. [Filed under LP Peace: (Assorted Non-Pauling Peace Materials: Articles, Typescripts, Pamphlets, Booklets (Me-Na)), Box #8.004, Folder #4.21]
• Pauling, Linus. “Structural Chemistry in Relation to Biology and Medicine.” Baskerville Chemical Journal. New York: The City College of New York, 1950.
• Pauling, Linus. “The Problem of the Graphite Structure.” American Mineralist. 35(1 and 2); Jan-Feb, 1950, pp. 125.
• Structural chemistry in relation to biology and medicine. (Second Bicentennial Science Lecture of the City College Chemistry Alumni Association, New York, December 7, 1949). Baskerville Chemical Journal 1, no. 1 (February 1950): 4-7. [Filed under LP Publications: 1950p.2]
• Valentine’s Day card from Peter Pauling. [Filed under LP Biographical: Personal & Family: (Family Correspondence: Peter Jeffress Pauling, 1939-1953.), Box #5.041, Folder #41.3]

• Check from LP to Beatrice Wulf for $250.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Check from LP to Bennett Travel Agency for $448.40. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Check from LP to Josef Bruchta for $39.68. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Expense Report: LP and AHP’s trip to the East Coast, February 2-11, 1950. [Filed under LP Speeches: 1950s.2]
• Letter from Byron Riegel, Chairman, Fortieth Willard Gibbs Medal Award Jury, Chicago Section American Chemical Society to Willard Gibbs Medalists residing in North America and Gentlemen of the Jury RE: Lists the two final nominees for the medal, explains that the jury did not reach the necessary two-thirds vote so the jury has been expanded and a new vote will have to be made. Includes a copy of LP’s ballot and background information on the two nominees. [Filed under LP Science: (American Chemical Society: Materials re: Committees and Awards, 1948-1951, 1967), Box #14.010, Folder #10.7]
• Letter from George K. Tanham, Master of Student Houses, Caltech, to LP RE: Asks LP for the names of some faculty members that would like to attend student functions. [Letter from LP to Tanham February 17, 1950] [Filed under LP Correspondence: (T: Correspondence, 1950), #410.15]
• Letter from H. J. Muller to George B. Pegram, cc. LP, RE: Informs them on the issues surrounding the publication of his article in the January issue of “American Scientist”. [Filed under LP Correspondence: (Sigma Xi) #375.2]
• Letter from LP to A. Stoll RE: Confirms his visit and speech on May 31st. [Letter from Stoll to LP January 25, 1950] [Filed under LP Correspondence: (S: Correspondence, 1950), #378.4]
• Letter from LP to Dr. A. M. Zarem, Director of the Los Angeles Division, Stanford Research Institute, RE: Accepts his invitation to take part in the Advisory Panel Discussions on the problem of atmospheric pollution. [Letter from Hobson to LP February 14, 1950] [Filed under LP Correspondence: (Stanford Research Institute), #376.7]
• Letter from LP to Eugene Rabinowitch, Editor of the Bulletin of the Atomic Scientists, RE: Informs him that there is no reason why the Bulletin should refrain from addressing the super bomb. [Letters from Rabinowitch to LP January 17, 1950] [Filed under LP Peace: (Bulletin of the Atomic Scientists, 1948-1964), Box #3.016, Folder #16.3]
• Letter from LP to Sam Naiditch RE: Thanks him for his letter and the photo. Tells Naiditch about his hope to make a trip east. Assures Naiditch that he will let him know if there are any job openings on the mainland. [Note from Naiditch to LP January 28, 1950] [Filed under LP Correspondence: (N: Correspondence, 1950), #287.17]
• Letter from LP to the Director of Research, Charles Pfizer and Company, Inc. RE: States that he was pleased to see the recent report in Science on the new crystalline antibiotic Terramycin. Discusses the research being conducted at the Gates and Crellin Laboratory. Inquires if Pfizer would be able to provide them with a sample of the new antibiotic Terramycin for research and study. [Letter from Weyer to LP February 10, 1950, letter from LP to Weyer February 16, 1950] [Filed under LP Correspondence: (Charles Pfizer and Company, Inc., 1950, 1969), #70.1]
• Letter from LP, Trustee, Emergency Committee of Atomic Scientists, to Dr. Eugene Rabinowtich, Editor, Bulletin of the Atomic Scientists, RE: States that there is no reason why the Bulletin should refrain from discussing the super bomb. Writes that it is likely that he would make a contribution a little later. [Letter from Rabinowtich to LP January 17, 1950] [Filed under LP Peace: (Bulletin of the Atomic Scientists, 1948-1964), Box #3.016, Folder #16.3]
• Memo from LP to President DuBridge, cc: Professor Sturdivant, RE: Asks him to consider the purchase of a recording ultraviolet spectrophotometer in the present since the value will increase if they do not purchase it now. [Letter from Sturdivant to LP January 31, 1950] [Filed under LP Biographical: Academia: (California Institute of Technology: Administrative Files, 1938-1971.), Box #1.030, Folder #30.2]
• Newspaper Clipping: “16 Score Conviction of Counsel for Reds”, New York Times, February 1, 1950. [Filed under LP Biographical: Civil Liberties — House Un-American Activities Committee, 1948-1960. (House Committee on Un-American Activities)), Box #2.040, Folder #40.3]
• Statement from LP to Mira Loma Mutual Water Co.: Provides them with the water meter readings from his property. Handwritten note by LP indicates the bill was paid. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]

• Check from AHP to National Guardian for $5.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Copy of LP’s Self -Generated Biographical Updates. Handwritten corrections made by LP. [Filed under LP Biographical: Personal & Family: (Biographical Updates and Publications Bibliographies, 1940-1991.), Box #5.005, Folder #5.3]
• Itinerary: Leave Los Angeles at 7:00 PM [Filed under LP Travel: Box #1.001, Folder 1.8] [Handwritten and typed originals filed under LP Speeches: 1950v.2]
• Letter from D. F. Swinehart, Secretary of the Oregon Chapter of Sigma Xi, University of Oregon, to LP RE: Informs him that the initiation banquet will take place on Monday, May 22, 1950. States that they would like to know the subject of his speech before he leaves on his ACS tour. Informs him that it should be a general topic, not technical. [Letters from LP to Swinehart January 16, 1950 and February 17, 1950] [Filed under LP Speeches: 1950s.15]
• Letter from Emil Ott, Chairman, Committee on Chemical Abstracts, American Chemical Society, to Dr. C. F. Schnabel, cc. LP RE: States that his suggestion to create a subject index service at a price of $0.01 per item and thoughts on the value of Decennial Indexes will be looked at by the committee and the Editor of Chemical Abstracts. States that their current focus is to develop a financial plan to cover the costs of publication and that this matter would be addressed in later stages of the committee’s work. [Letter from Schnabel to Ott January 13, 1950] [Filed under LP Correspondence: (Chemical Abstracts), #70.2]
• Letter from H. M. Walton, Chairman, Postgraduate Assembly, to LP RE: Informs him that he is scheduled to present his paper, “Sickle Cell Anemia, A Molecular Disease,” at 4:45 P.M. on March 12, 1950. Informs him that he has 45 minutes to present. [Filed under LP Speeches: 1950s.10]
• Letter from Harvey Itano to Samuel K McIlvanie, Department of Hematology, Institute for Medical Research, University of Louisville, RE: States that LP has asked him to carry out the electrophoretic analysis on his patient’s hemoglobin. Tells him that the vacuum broke, causing the blood sample to leak, and asks him to send another sample. [Letter from LP to McIlvanie January 18, 1950] [Filed under LP Correspondence: (M: Correspondence, 1950), #256.1]
• Letter from John G. Kirkwood to the Division of Chemistry and Chemical Engineering RE: Notifies them that in LP’s absence he is calling a meeting of the professorial members of the staff of the Division on February 6th the discuss the appointment for next year of graduate students already enrolled in the Division. [Filed under LP Biographical: Academia: (CIT: Materials re: Division of Chemistry and Chemical Engineering, 1946-1956.), Box #1.020, Folder #20.5]
• Letter from LP to Leo Brewer, Department of Chemistry, University of California at Berkeley, RE: Thanks Brewer for telling him about the structure of cuprous halides and mentions Dr. Shoemaker’s investigations into them. [Letter from Brewer to LP January 27, 1950] [Filed under LP Correspondence: (B: Correspondence, 1950), #37.17]
• Letter from LP to Reuben E. Wood, Department of Chemistry, George Washington University, RE: Tells him what other Professors know about his topic of the efficiency in photosynthesis. Encloses a letter from Oliver Wulf concerning this topic. [Letters from Wood to LP January 9, 1950 and February 24, 1950] [Filed under LP Correspondence: (Wood, Reuben), #438.7]
• Letter from LP to W. H. Freeman RE: Says that Freeman is right about a manuscript in biochemistry other than the Deuel and Mehl one. States that their book would be descriptive and that it might be possible to get a manuscript with a more theoretical approach. Tells Freeman that he does not know E. E. Snell but that he has the reputation of being a very good young biochemist. [Letter from Freeman to LP January 26, 1950] [Filed under LP Correspondence: (W. H. Freeman and Company, 1950), #439.8]
• Letter from Wendell H. Griffith, Chairman, Department of Biochemistry and Nutrition, to LP RE: Writes that he heard LP would be in Texas to address the Southeastern Texas Section of the American Chemical Society and asks if it would be possible for him visit Galveston to present a lecture at the University of Texas Medical Branch. The group at the Medical Branch are particularly interested in the subject “The Structure of Antibodies and the Nature of Serological Reactions.” [Letter from Leake to LP February 6, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.2]
• Memo from A.H. Walter to LP RE: Alerts him that if he wants to extend his current contract with ONR then he needs to have the proposal to Washington by February 15. Reminds him of certain items that need to be included in the proposal. [Memo from Kirkwood to Walter February 7, 1950] [Filed under LP Science: (Office of Naval Research: Correspondence, Contract Status Reports and Project Status Reports, 1947-1962), Box #14.031, Folder #31.1]
• Memo from LP to David Robeson RE: Tells him to avoid reference to California Institute of Technology and American Chemical Society in publicity and to inform the New York Office. [Filed under LP Correspondence: (R: Correspondence, 1950), #340.15]

• Article: “The Mechanism of the Heat Inactivation of Pepsin” by E. J. Casy and K. J. Laidler. Printed in Science. [Filed under LP Science: (Research on Biological Specificity, 1973-1996), Box #8.002, Folder #2.6]
• Bill from the Apothecary Shop of the Thatcher Medical Building to LP for $10.19. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
• Check from AHP to Mary Freeman for $15.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Itinerary: Arrive in Indianapolis at 6:55 AM; leave Indianapolis at 5:20 PM. [Filed under LP Travel: Box #1.001, Folder 1.8] [Handwritten and typed originals filed under LP Speeches: 1950s.2]
• Letter from Beatrice Wulf, Executive Secretary, Gates and Crellin Laboratories, to Arthur C. Giese, Department of Biological Sciences, Stanford University, RE: At Giese’s request, returns his manuscript. [Letter from Giese to LP January 21, 1950] [Filed under LP Correspondence: (G: Correspondence, 1950), #140.14]
• Letter from Dr. P. W. Selwood, Department of Chemistry, Northwestern University, to LP RE: Invites LP to participate in a series of evening lectures on “Inorganic Chemistry at the Half Century” at Northwestern University on November 7, 1950. Discusses the format and audience of this popular lecture series. Encloses a copy of the announcement about last year’s course, “The Mechanisms of Organic Reactions.” [Letter from LP to Selwood February 17, 1950] [Filed under LP Speeches: 1950s.25]
• Letter from Emil Ott, Chairman, Committee on Financing of ACS Publications, American Chemical Society, to Dr. Gordon Mackinney, Division of Food Technology, College of Agriculture, University of California at Berkeley, cc. LP RE: Thanks him for the suggestion about cutting the length of the organic chemistry abstracts. States that he sent a copy of Dr. Mackinney’s letter to Dr. Crane, Editor of Chemical Abstracts. [Letter from Mackinney to Ott January 13, 1950, letter from Crane to Mackinney February 3, 1950] [Filed under LP Correspondence: (Chemical Abstracts), #70.2]
• Letter from Henri A. Levy, Oak Ridge National Laboratory, to LP RE: Says that they will pursue the matter and press for LP’s security clearance. States that the future is not entirely pessimistic. Urges LP to attend the August Symposium and continue to look favorably upon a consultancy with their laboratory. [Letters from LP to Levy January 26, 1950 and February 17, 1950] [Filed under LP Correspondence: (L: Correspondence, 1950), #230.16]
• Letter from Jule T. Bouchard, Secretary, Committee for Peaceful Alternatives to the Atlantic Pact, to LP RE: Discusses the need to educate the public about the dangers of the hydrogen bomb, in response to President Truman’s decision to initiate construction of the hydrogen bomb. States that they would like Bishop Walls, the Honorary Chairman, to release a statement that has been signed by prominent leaders who support their efforts when he is in New York next week. Encloses a copy of their last open letter, a signature card, and a stamped return envelope. Asks LP to wire his approval and send the signature card for their files. Handwritten note on back of letter: “I sent a collect telegram saying just what it says on the white card and signed your name. I trust that is what you wish. A.P.” [Filed under LP Peace: (Assorted Peace Groups. (Co-Ev)), Box #4.011, Folder #11.1]
• Letter from LP to AHP. [Filed under LP Safe: Box #1.019, Folder #19.11]

  [on a postcard]

  postmark Feb 3 1950

  AIR MAIL

  Mrs Ava Helen Pauling

  3500 Fairpoint St

  Pasadena 8

  Calif.

  Dear Love: We are going along nicely- a little rough, but not bad- partially cloudy. There are only about 6 passengers aboard. I shall lie down soon and sleep a while. We are due in Kansas City in 1 ½ hours. So far I have just read the paper and Science Fiction. Sooner or later I'll have to write a story. Much love.

  Paddy

• Letter from LP to Alden H. Emery, American Chemical Society, RE: Encloses a draft of his letter to Root and requests legal approval or advice before sending it. [Letter from Emery to LP March 14, 1950] [Filed under LP Science: (American Chemical Society: Correspondence: 1949-1950), Box #14.005, Folder #5.3]
• Letter from LP to Dr. Clarence Zener, Institute for the Study of Metals, University of Chicago, RE: Thanks him for his invitation, but at the present time, he cannot visit Chicago, but if his plans change, he will let him know. [Letter from Zener to LP July 17, 1950, Letter from LP to Zener February 8, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.2]
• Letter from LP to Gerson Jacobs, Institute for Enzyme Research, University of Wisconsin, RE: Expresses his opinion that Jacobs’ study of antibody-antigen reactions is worthwhile and proposes another research topic within this same subject. Discusses his own somewhat similar experiment in the study of antibody-antigen reactions. [Letter from Jacobs to LP January 23, 1950] [Filed under LP Correspondence: (J: Correspondence, 1950), #192.16]
• Letter from LP to Reuben E. Wood, Department of Chemistry, George Washington University, RE: States that his letter concerning the relation between photochemical efficiency and thermodynamics interested him because he has thought about this subject since his graduate days. Discusses this subject in detail. [Missing Letter from Wood to LP] [Filed under LP Correspondence: (Wood, Reuben), #438.7]
• Letter from LP’s Executive Secretary to Noel Bayliss, International House, University of California at Berkeley RE: States that they are glad he will be spending a few days in Pasadena and would be happy to show him the laboratories. [Letters from Bayliss to LP January 17, 1950 and 3-50 [Filed under LP Correspondence: (B: Correspondence, 1950), #37.17]
• Postcard from LP to AHP.

  [on a postcard]

  postmark Feb 3 1950

  AIR MAIL

  Mrs Ava Helen Pauling

  3500 Fairpoint St

  Pasadena 8

  Calif.

  Dear Love: We are going along nicely- a little rough, but not bad- partially cloudy. There are only about 6 passengers aboard. I shall lie down soon and sleep a while. We are due in Kansas City in 1 ½ hours. So far I have just read the paper and Science Fiction. Sooner or later I'll have to write a story. Much love.

  Paddy

  [Filed under LP Safe: Box #1.019, Folder #19.11]

• Itinerary: Arrive in Boston at 2:40 PM [Filed under LP Travel: Box #1.001, Folder 1.8] [Handwritten and typed originals filed under LP Speeches: 1950v.2]
• Letter from Hideo Murakami, Department of Physics, Osaka University, to LP RE: Asks LP to reply to his letter and indicate if he received the paper that he sent fifty days prior. [Letter from Murakami to LP December 14, 1949, Letter from LP to Murakami March 21, 1950] [Filed under LP Correspondence: (M: Correspondence, 1950), #256.1]
• Letter from Mark Nickerson, Department of Pharmacology, College of Medicine, University of Utah, RE: Asks LP questions about the structure-activities problems dealing with phenylethyl moiety and ethylenimonium intermediate and the importance of hyperconjugation involving a benzyl or similar groupings. [Filed under LP Correspondence: (U: Correspondence, 1950), #421.9]
• Letter from R. H. Turnbull to Pandit Nehru, The Prime Minister of New Delhi, RE: Informs him that he is interested in the matter of avoiding the use of the Valuable Researches of the Scientists for the purposes of War, with regard to the “atom bomb” and “hydrogen bomb.” Encloses a letter that he is sending to Mr. Darma Vera which sets out the position on this matter. Discusses the fissure of the atom. [Filed under LP Personal Safe, Drawer #2, Folder #2.022]

• Itinerary: Leave Boston, Canadian Pacific RR at 9:30 PM [Filed under LP Travel: Box #1.001, Folder 1.8] [Handwritten and typed originals filed under LP Speeches: 1950v.2]
• Letter from Edward A. Jumpertz to LP RE: Thanks LP for his reply concerning the characteristic temperature of the zincblende crystal. Handwritten note: “metals papers mailed 2/17/50.” [Letter from LP to Jumpertz, January 19, 1950] [Filed under LP Correspondence: (J: Correspondence, 1950), #192.16]
• Letter from LP to AHP. [Filed under LP Safe: Box #1.019, Folder #19.12]

  February 5, 1950

  Dearest love:

  I am sitting at the long table at the south end of the living room, exchanging glances with a cute female skeleton, hanging from a beam--her main purpose in existence being to help Liny to remember anatomical details long enough to pass his examination tomorrow. I haven't called anyone, but have just rested today. Liny met me at the Newtonville station yesterday. Anita seems just the same; the baby is bigger, but doesn't yet crawl.

  A great collection of Guggenheim digests was awaiting me here, and I spent the afternoon and evening reading them, going to bed at 10:30. Anita made tea for us and then a vegetarian dinner (stuffed peppers). Today I have read a couple of books, and the Sunday paper. At 9:30 tonight I board the Boston + Maine (outbound), arriving at Fredericton tomorrow at noon.

  The weather has been fine so far. It was clear most of the way to Indianapolis. I slept for perhaps three hours before reaching Kansas City, and then for another two hours on the next flight. It was clear and bright all day at Indianapolis, and warmer than before, although still below freezing. I had breakfast at the Claypool, + then went to the laboratory (at about 9) and talked to Kleideren until 9:30, when he went to a meeting, and to other people till 4:30. Then, when I went to say goodbye to Edw. [?] K., he (coming then out of a meeting) excused himself for having been unavailable at luncheon and all afternoon-he and Mr Lilly, he said , were still in their conference with Hutchins and Hogners , who were trying to squeeze $50,000 a year out of them. I didn't see H +H.

  My train trip was not unpleasant. I ate only breakfast in the diner-I have trouble with other meals. We came through Springfield just after I had finished breakfast, and then through Worcester and Framingham.

  Tonight another little boy, about 10% younger than Linus F., is coming to be kept for three weeks by Anita and Liny. Their mother is going on a vacation to Florida (with the next other child, age 2), while the father continues in med. school.

  I forgot my gloves, and so yesterday, I bought a pair in Wellesley, like the gray pair that you bought me.

  Before leaving home I found on my desk four short fictional pieces, by Leo Szilard that he had sent me some months ago. They are very interesting imaginative sketches dealing with our atomic feature future. Leo is a clever fellow.

  I was glad to see a statement in today's paper, by Charlie Lauritsen + 11 others, that the government should pledge that the hydrogen bomb will never be used unless Russia drops one on the U.S.

  Liny continues to buy books. He was taking home, when he picked me up, for [sic] folio volumes of stone cuts of homes of old England, and today

  he has been examining them carefully.

  He has his speaker record player [written above the word speaker] in a little metal dish, made by the company for this purpose. When I get home I'll order one, and then it can just sit on the window seat--perhaps we should get a plastic cover for it. In fact, the present stand is all right. I'll take it out when I come home.

  Liny and Anita and Liny F. send their love to you. They were sorry to hear about your wrist.

  I hope that you have slept well and have been getting along better in my absence-no one to disturb you when you try to sleep. I hope that your wrist hasn't hurt you. I love you, more and more all of the time. You are a wonderful girl!

  Your own,

  Paddy

  Love to the kids.

• Manuscript Notes: “Theory of Electrophoretic Patterns of Antigen and Heterogeneous Antibody”, February 5, 1950; Notes to Self re: antibodies, July 3, 1950 and August 4, 1950. [Filed under LP Science: (Materials re: Antibody and Antigen Research; the Nature of Serological Reactions, 1939-1947, 1950; 1986-1987), Box #7.001, Folder #1.9]

• Article: “Congenital Anomalies in the Chick Due to Vitamin B12 Deficiency” by Orlando Olcese, J. R. Couch, J. H. Quisenberry, and P. B. Pearson. [Filed under LP Science: Box #11.071, Folder 71.1]
• Itinerary: Arrive in Fredericton Junction at 10:57 AM, arrives in Fredericton at 11:55 AM [Filed under LP Travel: Box #1.001, Folder 1.8] [Handwritten and typed originals filed under LP Speeches: 1950v.2]
• Letter from Alden H. Emery, Executive Secretary, American Chemical Society to LP RE: Acknowledges having received his nomination of W.F. Giauque for the Priestley Medal. [Letter from Emery to Priestley Medal Committee January 25, 1950, Letter from Emery to Priestley Medal Committee February 16, 1950] [Filed under LP Science: (American Chemical Society: Materials re: Committees and Awards, 1948-1951, 1967), Box #14.010, Folder #10.6]
• Letter from Chauncey D. Leake, Vice President, University of Texas Medical Branch, to LP RE:
• Letter from D. Keilin, Nolteno Institute of Biology and Parasitology, University of Cambridge, to LP RE: Forwards him a letter and manuscript of, “Notes on the electronic theory of the respiratory process,” from Dr. Kosuke Ohki of Japan. Asks for LP’s criticism and guidance. [Letter from LP to Keilin March 6, 1950] [Filed under LP Correspondence: (K: Correspondence, 1950), #200.15]
• Letter from Dr. Carl K. Pearlman to LP RE: Confirms that LP is to give a talk before the Orange County Medical Society on March 7, 1950. Informs him of the time of the engagement. Requests a brief biographical note. Asks what equipment will be needed. [Filed under LP Speeches: 1950s.9]
• Letter from F. E. Simon to LP RE: Forwards him the report and figure of many months of measuring specific heats. Asks for its return since it is his only copies. [Letter from Simon to LP January 30, 1950, Letter from LP to Simon February 16, 1950] [Filed under LP Correspondence: (Simon, F. E. ) #365.2]
• Letter from W. H. Freeman to LP RE: Informs LP that he received a letter from Kenneth Pitzer and that he did not seem interested in writing a book now but that he would keep them in mind. Encloses a copy of the letter Pitzer sent to Freeman. [Letter from LP to Freeman January 30, 1950] [Filed under LP Correspondence: (W. H. Freeman and Company, 1950), #439.8]
• Letter from William M. Schuyler, Editor, The American Year Book, to Alden H. Emery, Executive Secretary, American Chemical Society, RE: Shares that Mr. Stetson has succeeded Colonel Marston T. Bogert as President of The American Year Book. Also they still desire the representation of the American Chemical Society on the Council, and their current representative is Colonel Bogert, who they would like to continue in this role if the ACS agrees. [Letter from Schuyler to Emery February 16, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.1]
• Letter from the Executive Secretary at CIT to Mr. G. Abramovich, RE: Informs him that there are no postdoctoral fellowships available in the Division of Chemistry and Chemical Engineering at CIT at the present time. Sends an application blank in case he would like to apply at some later time. [Letter from Abramovich to the Dean of Graduate Studies at CIT January 24, 1951] [Filed under LP Biographical: Academia: (CIT: Materials re: Teaching and Advising of Graduate Students by Linus Pauling, 1935-1963.), Box #1.017, Folder #17.3]
• Letter from the Vice President, Chemical Monographs, to Dr. W. A. Hamor, Editor, Chemical Monographs, RE: Recalls LP’s criticism of the Cobalt Mongraph, because of its scanty attention to the chemical physics of the element. Suggests that Dr. Mathewson or Dr. Hamor talk about this matter with Professor Allison Butts. Discusses what Pauling refers to as “the organic chemistry of the metals.” [Filed under LP Correspondence: (Chemical Monographs), #70.4]
• Writes that he hopes LP will accept Dr. Wendell H. Griffith’s invitation to speak at their University. [Letter from Griffith to LP February 2, 1950, Letter from LP to Griffith February 17, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.1]

• Agenda for the meeting of the Committee on Graduate Study on February 13, 1950. [Filed under LP Biographical: Academia: (CIT: Material re: Teaching and Advising of Graduate Student by Linus Pauling, 1936-1963.), Box #1.018, Folder #18.2]
• Itinerary: LP and AHP in Fredericton, New Brunswick. [Handwritten and typed originals filed under LP Speeches: 1950v.2]
• Letter from Dr. Ing Bertold Reuter to LP RE: Explains that he intends to translate LP’s The Nature of the Chemical Bond into German. Discusses his negotiations with Cornell University Press and his publisher, Walter de Gruyter & Co. [Letter from LP to Reuter February 17, 1950] [Filed under LP Books 1960b5.2]
• Letter from Dr. Ing. Bertold Reuter, Berlin Zehlendorf, Germany, to LP. RE: Reuter asking LP if he should translate the current version of The Nature of the Chemical Bond or if he should wait until the third edition comes out. [Filed under: LP Manuscripts of Books, 1960b.5.2]
• Letter from Emil Ott, Chairman, Committee on Financing of ACS Publications, American Chemical Society, to Dr. Albert Kline, Kirksville College of Osteopathy and Surgery, cc. LP RE: States that copies of his letter are being distributed to committee members. Discusses the purpose of the committee. [Letter from Kline to Ott January 28, 1950] [Filed under LP Correspondence: (Chemical Abstracts), #70.2]
• Letter from Executive Secretary, Gates and Crellin Labs, to Alden H. Emery, American Chemical Society, RE: Replies to his inquiries regarding spring vacation dates and at the California Institute of Technology, the spring vacation in 1952 will most likely be held March 16 to March 25. [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.1]
• Letter from Florence S. Chesse to Beatrice Wulf RE: States that by the end of next week the first batch of galley proofs will be out on College Chemistry. [Filed under LP Books: 1950b.2]
• Letter from Hubert N. Alyea, Frick Chemical Laboratory, Princeton University, to LP RE: Discusses taking measurements of IO2 and the blueprints for an apparatus that Dr. Alyea used with LP in the Summer of 1949. Asks if LP has any recommendations for assistant professors at Princeton. There is a note in pencil in the upper right margin: “JHS- LP requests you send blueprints of the suscephimeter [?] to Prof. Alyea. BW Please return this” and one in pen in the upper left: “Dwgs being collected now - February 27, 1950. JHS.” [Letter from LP to Alyea February 17, 1949] [Filed under LP Correspondence: (A: Correspondence, 1950), #12.16]
• Letter from LP to AHP. [Filed under LP Safe: Box #1.019, Folder #19.13]

  [on Lord Beaverbrook letterhead]

  Tuesday morning

  Dearest love:

  This has surely been an interesting experience, coming to this back-woods community. A university with 1000 students, city of 25000, whole province perhaps 250,000, with little in the way of resources. They are excited by my visit, and are getting as much as possible out of it. I arrives at about 2 PM yesterday, and spoke on metals at 4:30, in the college hall, which is something like an oxford college hall, but with chairs installed. Then had dinner at the home of Professor Toole, the head of the chemistry department, with the four young men in the department, three wives, and another woman, who lives with the Tooles, and then spoke at a seminar - just chatting about what researches we are carrying on, while the students (I too) drank beer. I haven't seen anyone yet today. At 1 we are too [sic] have lunch here at the hotel, and tonight I speak on antibodies - rather, chemistry in medicine. All of the 20 doctors in town are expected to be there. Tomorrow noon I shall give a lecture to Professor Toole's class (they use my Gen. Chem.)

  This is a wooded region, like the Pacific Northwest, but colder. Night before last was the coldest night for two years - 30° below zero in Campbellton when the train went through. It is about 0° F. here now.

  I am all right - I have an extra pair of woolies on (Fred Ewing's), I wear my sweater, I've bought a pair of ear muffs, + Prof. Toole has lent me some big overshoes. I have plenty of blankets on my bed. Our train was over an hour late at Fredericton Junction, and missed the connecting local, so I came the 26 miles with the three other passengers in a taxi, over snow between the pines - for ten miles with no house or other structure along the road. A young fellow along said that he saw new Brunswick Christmas trees for sale in the states. He said "In the States some people use pine trees or cedar trees - but to me only a fir is a Christmas tree." he was a tough young laborer - and I was interested to hear him talk about the trees.

  Kleiderer gave me a lederle preparation that, he says, suppresses cold sores excellently. Also it is good for poison oak, insect bites, and sunburn. It contains an anti-histaminic and a topical anesthetic.

  Tomorrow night I take the train, reaching New York late Thursday. I'm afraid that I have to stay to talk at Carnegie Hall Monday night. I hope to be home with you Tuesday morning. Has your wrist got better? I hope so, and I hope that Peter is behaving. I love you, my darling girl.

  Your own, Paddy.

  P.S. Time here is 1 hour earlier than Eastern Standard

• Letter from Ross R. Petty, Solid Propellant Information Agency, Applied Physics Laboratory, John Hopkins University, to LP RE: Asks LP about a chromatography film and requests to borrow it. [Letter from LP to Petty February 14, 1950] [Filed under LP Correspondence: (P: Correspondence, 1950), #312.5]
• Letter from Wilbert Annis, Acting Head, Physics Branch, Department of the Navy, ONR to LP RE: Requests that he add an address to his list of who to send technical reports to. [Filed under LP Science: (Office of Naval Research: Correspondence, Contract Status Reports and Project Status Reports, 1947-1962), Box #14.031, Folder #31.1]
• Memo from J.G. Kirkwood, Acting Chairman of the Division of Chemistry and Chemical Engineering to A.H. Walter RE: Submits LP’s proposal for a contract extension since LP is currently out of town. Explains that LP spoke with Hedberg about his plan to continue with the project. Includes several copies of the proposal. [Memo from Walter to LP February 2, 1950, Letter from Walter to Rice February 14, 1950] [Filed under LP Science: (Office of Naval Research: Correspondence, Contract Status Reports and Project Status Reports, 1947-1962), Box #14.031, Folder #31.1]

• Itinerary: Leave Fredericton and Fredericton Junction at 9:45 PM [Filed under LP Travel: Box #1.001, Folder 1.8] [Handwritten and typed originals filed under LP Speeches: 1950v.2]
• Letter from AHP to Evelyn Barrett RE: States that LP asked her to write Mrs. Barrett to explain why nothing has been done about the Addis Memorial. Relays how busy LP has been and says that she would like to help as well. States that she hopes Mrs. Barrett is not too discouraged by the delay. Tells her that she broke her wrist but that she should feel better when she gets a smaller cast in 10 days. [Letter from Newell to Barrett January 5, 1950] [Filed under LP Correspondence: (Materials re: Thomas Addis Memorial Committee and Addis Biographical Memoirs research), #2.4]
• Letter from Alden H. Emery, Executive Secretary, American Chemical Society to LP RE: Explains that Henry B. Hass was left off of his earlier letter containing the names of people serving on the Committee on Foreign Compendia. [Letter from Mr. Emery to LP January 13, 1950] [Filed under LP Science: (American Chemical Society: Materials re: Committees and Awards, 1938-1950), Box #14.008, Folder #8.3]
• Letter from F. L. Carraro to LP RE: Thanks LP for the letter and reprints. Poses mathematical questions and gives a brief philosophical discussion about God. [Letters from LP to Carraro January 5, 1950 and February 20, 1950] [Filed under LP Correspondence: (C: Correspondence, 1950), #74.18]
• Letter from LP [Signed by Beatrice Wulf], to Dr. Clarence Zener, Institute for the Study of Metals, University of Chicago, RE: Writes that he believes he can visit Chicago on Thursday, April 27th, while he is going from Washington, D.C., to Houston, Texas. [Letter from LP to Zener February 3, 1950, Letter from Zener to LP February 13, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.2]
• Letter from LP to AHP. [Filed under LP Safe: Box #1.019, Folder #19.14]

  [on Lord Beaverbrook letterhead]

  Wednesday morning

  Dearest little love:

  Another day has gone by - that much nearer to the time when I am home again with my darling.

  Last night I gave my public address. It began at 8 ³⁰ - too bad, because the train out leaves at 8 ³⁰ and thus I have had to stay another day. All the doctors in town were there, and most of the faculty people and wives. The talk overwhelmed them. Afterward there was a reception in the president's quarters. The whole affair reminds me of our visit to Purdue. I got to bed at 11 ³⁰ . It was 17° below zero. My room is only a few feet from the bank of the St John's river, which is the biggest Atlantic river in N. America south of the St Lawrence - about like the Willamette at Portland, or bigger. It is now an expanse of white - not smooth, however; it seems to have frozen to form ice about 6 inches thick, to have broken up, and then to have frozen again, leaving great jagged slabs sticking up at odd angles. It snowed off and on yesterday, but it is clear today.

  I am going in a few minutes to talk to a physicist who has some idea that he thinks is new, and then to Professor Toole's class. I have nothing scheduled for the afternoon, and have a dinner engagement with the biology professor, who will see me aboard the train.

  Give my love to the children. I hope that you have been taking care of yourself and getting enough sleep - and also have been exercising your hand.

  Much love from your own

  Paddy

  P.S. Would you mail or send this note to Dan? I haven't another stamp.

  Paddy.

• Letter from LP to John T. Edsall, Department of Physical Chemistry, Harvard Medical School. [Letter from Edsall to LP January 26, 1950] [Filed under LP Correspondence: (Edsall, John T.), #106.5]

  February 8, 1950

  Dr. John T. Edsall

  Harvard Medical School

  25 Shattuck Street

  Boston 15, Mass.

  Dear John:

  I have been thinking about the molecular models on which Dr. Corey has been working for several years, and about which you know and have decided to write to yon to ask for advice.

  A great deal of effort has already been put into the design of these models. Dr. Corey has devoted the last dozen years to determining some of the interatomic distances and bond angles, and other people in our laboratories have contributed, both during this period and earlier. In addition, we have invested several thousand dollars in designing the models. I believe that some of the later designs were given to you by Dr. Corey.

  Now, we have been considering the problem of financing the work further. We have made tentative approaches to several foundations, without success so far. Perhaps you could give us some advice on this point. Also, we have made some effort to find out how the models could best be manufactured - especially the half-size plastic models. If you have any ideas on this point, I trust that you will let us know. I think that it is the California Institute Research foundation that owns the copy rights, though it may be the California Institute of Technology itself. In either case, what we are interested in is asking the best possible design and acquiring the models in satisfactory number.

  It is my belief that Dr. Corey has been doing a wonderful job in designing these models, and I do not want to see the work falter because of lack of support.

  With best regards, I am

  Sincerely yours,

  Dictated by Linus Pauling

  Signed in his absence:W

• Letter from Leo Szilard, Institute of Radiobiology and Biophysics, University of Chicago, to LP RE: Tells LP about his discussion with Einstein, Weisskopf, Hary Brown, and Joe Mayer about the possibility of forming a new organization that would help with a settlement between the East and the West, instead of the reorganization of the Emergency Committee. He thinks that a letter to both President Truman and Premier Stalin is an excellent idea especially if it is the basis of negotiation between the two. [Letters from LP to Szilard January 16, 1950 and February 20, 1950] [Filed under LP Correspondence: (Szilard, Leo: Correspondence), #372.1]
• Letter from Quimico Tecnico, Rafael Illescas Frisbie, Director General, Laboratorios Nacionales de Fomento Industrial, to LP RE: Apologizes for the delay in reply and suggests contacting the Universidad Nacional Autonoma de Mexico to find an official representative of Mexican chemists. Writes that they hope to see him and AHP soon. [Letter from LP to Frisbie February 17, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.1]
• Newspaper Clipping: “Prospect of Early Advance in Medical Science Given”,Fredericton, (New Brunswick, Canada) Daily Gleaner, February 8, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box # 6.005, Folder 5.53 and LP Speeches: 1950s.2] and [Filed under LP Newspaper Clippings: 1950n.1]
• Newspaper Clipping: “Scientific Research Valuable in Medicine, Scientist Tells Audience”, Telegraph-Journal, February 8, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.53]
• Note from Melvin Gardner to LP RE: Asks about the percentages of different gases in the atmosphere because there are discrepancies in his different text books. Expresses an interest in any newly discovered facts about coronium. [Letter from LP to Gardner February 16, 1950] [Filed under LP Correspondence: (G: Correspondence, 1950), #140.14]

• Check from AHP to New Republic for $11.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Check from AHP to Preben Kent for $100.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Itinerary: Arrive in Boston at 8:45 AM; leave Boston for New York at 10:30 PM [Filed under LP Travel: Box #1.001, Folder 1.8] [Handwritten and typed originals filed under LP Speeches: 1950v.2]
• Letter from Carey McWilliams to LP RE: Discusses the Contempt of Congress case of the Hollywood Ten. Proposes to organize a National Committee on Behalf of the Constitutional Rights of the Hollywood Ten in order to express itself on the issues involved and to educate the public about the issues. Invites LP to become a member of the committee. [Letter from LP to McWilliams February 17, 1950] [Filed under LP Correspondence: (M: Correspondence, 1950), #256.1]
• Letter from Florence S. Chesse, W. H. Freeman & Co., to Beatrice Wulf, Secretary to LP, RE: Requests information on appendix material for College Chemistry. [Letter from LP to Chesse January 20, 1950] [Filed under LP Books: 1950b.2]
• Letter from Yoshinobu Kakiuchi, Institute of Science and Technology, University of Tokyo, to LP RE: Thanks LP for giving him permission to work in LP’s laboratory. [Letter from LP to Kaiuchi January 30, 1950] [Filed under LP Correspondence: (K: Correspondence, 1950), #200.15]
• Offprint: “An Open Letter to President Truman,” [re: need to ban weapons of mass destruction] February 9, 1950. [Filed under LP Peace: (Assorted Peace Appeals, 1940-1970), Box #6.007, Folder #7.3]

• Bill from the Apothecary Shop of the Thatcher Medical Building to LP for $1.25. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
• Check from AHP to Market Basket for $25.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Itinerary: Arrive in New York at 6:55 AM [Filed under LP Travel: Box #1.001, Folder 1.8] [Handwritten and typed originals filed under LP Speeches: 1950v.2]
• Letter from Joseph W. Kennedy, Chairman, Department of Chemistry, Washington University, to LP RE: Thanks LP for the letter concerning Mr. Farrington but states that they do not have any openings. States that they are using LP’s book, General Chemistry, in their freshman course and that he thinks the course was more than usually successful. Tells LP that he is keeping a small list of misprints, unclear sentences, et cetera which might be useful when LP prepares a new edition. [Letter from LP to Kennedy February 17, 1950] [Filed under LP Books: 1947b6.2]
• Letter from N.V. Sidgwick, Lincoln College, to LP RE: States that he will be visiting Pasadena around June 21 for approximately a week. Mentions that he will be giving a lecture at UCLA and sends his regards to the family. [Letter from LP to Sidgwick February 16, 1950] [Filed under LP Correspondence: (Sidgwick, N. V.), #364.1]

• Bill from L. Helgeson’s Upholstering Shop to AHP for $14.25. Handwritten note indicates that it was paid. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
• Itinerary: Leave New York for Los Angeles at 2:00 PM, arrive in Los Angeles at 10:30 PM [Filed under LP Travel: Box #1.001, Folder 1.8] [Handwritten and typed originals filed under LP Speeches: 1950v.2]
• Letter from M. Colavita, Assistant to for Dr. P. M. Menlowe, Medical Director, Mckeesport Hospital, to LP RE: Asks for a medical supplier of sodium dithionate. There is a note in black ink in the bottom margin: “Braun Sodium hydrosulfite-Sodium hyposulfite ] synonym for sodium dithionate/ formula is Na2S2O4” [Letter from Wulf to Colavita February 21, 1950] [Filed under LP Correspondence: (C: Correspondence, 1950), #74.18]
• Report of the Sponsors’ Meeting Held at the Office of the American Peace Crusade on February 11, 1951. [Filed under LP Peace: (Assorted Peace Groups (Am)), Box #4.009, Folder #9.6]

• Letter from Arnold Nevis, Harvard Medical School Student, to LP RE: Thanks him for the constructive criticism and resolves to rewrite the paper. [Letter from LP to Nevis January 20, 1950] [Filed under LP Correspondence: (N: Correspondence, 1950), #287.17]
• Newspaper Clipping: “Pauling Challenges Urey on Stockpiling Hell Bomb”, Sunday Compass, February 12, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.53]
• Note from Akira Aoyama to LP RE: Tells LP about his studies of The Nature of the Chemical Bond, as well as his academic and professional background. [Letter from LP to Aoyama March 29, 1950] [Filed under LP Correspondence: (A: Correspondence, 1950), #12.16]
• Note from John A. Kingsbury to LP RE: Compliments LP’s rigorous and courageous challenge to Urey’s stand in The Sunday Compass. [Letter from LP to Kingsbury February 20, 1950] [Filed under LP Correspondence: (K: Correspondence, 1950), #200.15]

• Check from AHP to Kent for $160.04. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Letter from Clarence Zener, Institute for the Study of Metals, University of Chicago, to LP RE: Writes that they are glad LP is able to visit them on April 27. However, he personally will be in Washington on that day and will miss seeing LP. Writes that he wished to talked to LP about the conclusions LP reached in his metallic radii paper. [Letter from LP to Zener February 8, 1950 and February 16, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.2]
• Letter from E. J. Crane, Editor, Chemical Abstracts, to Abstractors and Section Editors RE: Expresses the importance of brevity in abstracts printed in Chemical Abstracts. [Filed under LP Correspondence: (Chemical Abstracts), #70.2]
• Minutes of Meeting of the Committee on Graduate Study, February 13, 1950. [Filed under LP Biographical: Academia: (CIT: Material re: Teaching and Advising of Graduate Student by Linus Pauling, 1936-1963.), Box #1.018, Folder #18.2]
• Speech: The H-Bomb or Peace, New York City, New York, Meeting of the National Committee of Arts, Science and Professions in Carnegie Hall, February 13, 1950. [Handwritten original filed under LP Speeches: 1950s.3]

  Meeting of the National Council of the Arts, Sciences and Professions

  The H-Bomb - or Peace

  Carnegie Hall, New York, February 13, 1950. Linus Pauling

  Science has made great contributions to the modern world. It is hard to exaggerate the greatness of these contributions, the depth of understanding of the material world that has been obtained. We have seen significant improvement through science of the standards of living of all people in all countries; but the improvement has not been nearly so great as it might be, because man, as he has learned to control nature, has not learned to control himself. In international affairs man has not progressed, but has retrograded, become more barbaric. We see nation's using science not to eliminate war, the scourge of the world, but instead to make it more horrible. Benjamin Franklin was prophetic when he said "The rapid progress true science now makes occasions my regretting sometimes that I was born so soon. It is impossible to imagine the height to which may be carried, in a thousand years, the power of man over matter. O that moral science were in as fair a way of improvement, that men would cease to be wolves to one another, and that human beings would at length learn what they now improperly call humanity."

  The world has finally come to the critical point in time - the point at which the ultimate, irrevocable decision has to be made. This is the decision between, on the one hand, a glorious future for all humanity, and, on the other, death, devastation, and the complete destruction of civilization.

  One hydrogen bomb would wipe New York out of existence, another Washington, another Chicago, another Los Angeles, another London, another Paris, another Moscow. What will there be left on earth then? Still hundreds of millions of people - if a billion people were to be killed by the detonation of two score hydrogen bombs in the first phase of an atomic war, there would still be a billion left - probably still fighting and full of hate for one another. But the atmosphere over the whole earth would be filled with radioactive products of nuclear reactions. No human being, no animal, no plant over the surface of the earth would in future years be safe from the insidious action of these great quantities of radioactive materials. Even though, by centuries of effort, the physical destruction caused by these hydrogen bombs might conceivably be repaired, the biological effects never could be averted.

  Terrible as the situation is, we need not succumb to despondency. The decision about the future has not yet been made - and we, the people, can by the pressure of our opinions determine it. When, three years after John J. McCloy first brought the hydrogen bomb to public attention, interest in it became great, our leaders brought forth one plan: they said that the solution is for this country to "arm itself with the hydrogen super-bomb to preserve the peace of the world." These were the words of chairman Tom Connally of the Senate Foreign Relations Committee. They were subscribed to by senator after senator; and even a distinguished scientist, Harold Urey, expressed the firm belief that we would have to keep the rest of the world under control, by force, by fear of the hydrogen bomb. President Truman announced that he had ordered production of the bomb "to see to it that our country is able to defend itself against any possible aggressor." But strong opposition developed at once. Twelve leading atomic scientists asked for a pledge against use of the bomb. Senator Brien McMahon proposed a new approach - a recovery program for the world, eliminating the causes of war. Senator Tydings suggested that President Truman propose an international disarmament conference to end the world's nightmare of fear. James Warburg called for outlawing all weapons. Professor Einstein asserted that the solution of the problem is formation of a supra-national judicial and executive body, and a declaration of the nation's to collaborate loyally in the realization of such a restricted world government. It is now evident to everyone that our State Department is not omniscient, that our foreign policy is not perfect and incapable of amendment. We must instead find the solution - it has not yet been given to us - and we must all help.

  Let me say a word about the scientists. Scientists have good imaginations about the atomic future, and only a few - Harold Urey, one or two others - have been so lacking in understanding of the nature of the physical world and the nature of human beings as to say that force is the solution. I cannot give you a blue print for the future of the world. When I talk with my scientific colleagues I find that each of us has a slightly different plan - and none of us is sure that his plan will work. Only Harold Urey is sure that he knows the answer. He seems to think that the world is as simple as a deuterium atom, and that all we need to solve the world's problems is the hydrogen bomb. Harold, you are wrong. Force is not the solution. I do not know the solution; but I know that you are wrong. I know that war must be averted and that the people of the world will not stand for rule by force.

  Can we, in the twentieth century, when democracy has spread over the surface of the globe as never before, accept the conclusion that great peoples will allow themselves to be ruled from outside by force? Can we believe that the people of the United States would submit passively to conquest by force, to rule through fear superimposed by an outside power? No - we know that, whatever the political future holds for the people of the United States, it must be a future determined by the will of the people of this country. In the same way, we can be sure that the people of Russia and of the other eastern countries would never submit passively to domination by the western powers, no matter whether they possessed the hydrogen bomb or not. A future of the world in which half of the people of the world are held in submission by the other half, through fear of this great super-weapon, could never be a safe future for anybody. The recent history of China shows how an effort to subjugate a great people, even supported by 6 billion dollars worth of weapons, is necessarily doomed to ultimate failure. Just as the people of China are determining their own destiny, so will the people of each great region of this globe determine their destiny in the future - hydrogen bomb or no hydrogen bomb.

  What, then, is the solution? We know what the solution is - we have seen it over and over again in the relations between people. How do people of different beliefs, different natures, different ideals, different races get along together? How does a man get along with a neighbor whom he does not like? Not by preparing continually to fight him - that is not the civilized method. Instead, different people and different groups of people have learned to live together in peace, to respect one another's qualities, even the differences - they have learned this in every sphere except that of international relations. Now the time has come for nations to learn this lesson.

  The question of an atomic war is not an ordinary political question. It is of equal concern to the left-winger, the right-winger, and the man in the middle of the road. The hydrogen bomb would not discriminate - it would kill them all. this problem of an atomic war, must not be confused by minor problems, such as communism vs. capitalism, the existence of dictatorships, the trend toward socialism, the problem of race and class discrimination. It is a problem that overwhelms them - and if it can be solved, they too can be solved.

  What is the solution? I do not know - but I say that we must all work together to find it. We cannot leave it to the President alone, to a few officials in the State Department. The people of the world, who are also facing a hydrogen-bomb death, must express themselves, in meetings such as this. The scientists must express themselves. Congress must call for extended public hearings on the hydrogen bomb and its impact on foreign policy. Senator McMahon's proposal that two-thirds of the money now spent on armaments be used for increasing the welfare of human beings over the whole world should be carefully considered. We have many brilliant men who have solved other problems - why does not Congress appropriate some millions of dollars to subsidize a great research program on the causes and methods of prevention of war, to be administered by the National Academy of Sciences? The United Nations must renew its efforts toward effective control of atomic energy. All of the proposals for real world government must be re-examined. And - most important of all - the United States and Russia must engage in two-power negotiations.

  I am sure that we may have hope. The stage is now set for a great act - the final abolition of war and the achievement of a permanent peace. Men of good will need only to work to this end to achieve it.

  We shall not reach this end by presenting another Baruch plan. The world situation is such that the United States cannot remain safe to the last moment, retaining the decision to give up atomic weapons until other nations have made their sacrifices. Russia, which needs power plants for industrial development to a far greater extent than we do, cannot be expected to give up nuclear power nor even to turn over control of nuclear power plants to an outside group dominated by the capitalistic West. These are different problems - but they can be solved, by attacking them in a true spirit of compromise and cooperation.

  We cannot leave our fate in the hands of men who are tired and discouraged and who believe in force as the solution - of men like General Frederick Osborn, former U.S. member of the U.N. Atomic Energy Commission, who has just said "The men of the Kremlin know only coercion. They cannot cooperate with us or anyone else. That is the lesson we have learned in three years in the Atomic Energy Commission of the United Nations....We had better accept this lesson we have learned in four frustrating years. We had better stop making the unrealistic demand that we compromise and negotiate with men who do not understand the meaning of these words."

• Bill from the Southern California Edison Company to LP for $39.20. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
• Bill from the Southern Counties Gas Company of California to LP for $18.53. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
• Letter from A.H. Walter, Contract Administrator to Captain William A. Rice, Head, Contract Administration, Department of the Navy, ONR RE: Forwards LP’s proposal for a contract renewal. Explains that there was a delay in starting one aspect of the research which resulted in an excess of funds from the original contract so requests new funds only in the amount of $9,780. [Memo from Kirkwood to Walter February 7, 1950, Letter from Roberts to LP April 12, 1950] [Filed under LP Science: (Office of Naval Research: Correspondence, Contract Status Reports and Project Status Reports, 1947-1962), Box #14.031, Folder #31.1]
• Letter from Henry Allen Moe, John Simon Guggenheim Memorial Foundation to LP RE: Reminds him to send a list of travel expenses to the foundation for reimbursement, thanks him for his participation with the selection committee. [Letter from LP to Moe February 16, 1950] [Filed under LP Science: (John Simon Guggenheim Memorial Foundation, 1946-1952), Box #14.014, Folder #14.5]
• Letter from J. E. Hobson, Director, Stanford Research Institute, to LP RE: Discusses the meetings held by the Committee of consultants of the Stanford Research Institute. [Letter from Zarem to LP February 1, 1950] [Filed under LP Correspondence: (Stanford Research Institute), #376.7]
• Letter from LP to Ross Petty, Solid Propellant Information Agency, Applied Physics Laboratory, John Hopkins University, RE: Gives him the location of the film that Petty had requested in a previous letter for research purposes. [Letter from Ross to LP February 7, 1950] [Filed under LP Correspondence: (P: Correspondence, 1950), #312.5]
• Memo from B. H. Sage to L. A. DuBridge, cc: W.N. Lacey, LP, W.G. Schlinger, and Ch.E.(2), RE: Encloses 4 copies of a ret describing the progress and present status of the transfer program which is being carried out that the Chemical Engineering Laboratory, which includes a proposal for the continuance of the work at the resent level for a 2nd five-year period. [Filed under LP Biographical: Academia: (CIT: Materials re: Division of Chemistry and Chemical Engineering, 1946-1964.), Box #1.021, Folder #21.3]
• Newspaper Clipping: “Scientist Urges U.S., Soviet Begin Talks to End the Threat of Atomic Warfare,” New York Times, February 14, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.52] and [Filed under LP Newspaper Clippings: 1950n.2]

• Check from LP to Kenneth Gordon Jr. for $100.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950), Box #4.019, Folder #19.2]
• Handwritten note from Crellin Pauling to AHP, RE: Tells her that they lost their game 43-13 yesterday and that he played almost all the last half. Says that he thinks he will go into art and model cars in clay and that the new suit fits perfectly. Says that he just moved again in the dorm and is now on the porch with no roommate. [Filed under LP Biographical: Personal & Family: (Family Correspondence: Edward Crellin pauling, 1930-1995, No Date.), Box #5.048, Folder #48.3]

  Feb. 15. 1950

  Dear Mom,

  This is my last letter. Yesterday in our game we lost 43-13. I played almost all the last half. Today we play another game. Lots of fun. This letter will be very short, because I must do some studying. I think I will go into art and model cars in clay, is that a good idea? My new suit fits perfectly. I just moved again in the dorm. Now I am on the porch. No roommate. Lots of fun.

  Love,

  Crelly

• Letter E. J. Crane, Editor, Chemical Abstracts, to Dr. C. F. Schnabel RE: Explains why he thinks that the distribution of information in journal form is less expensive and more satisfactory in the long run when considering all users than a service which involves filling orders for references based on individual requests. Discusses this matter further. Thanks Dr. Schnabel for his suggestions. [Letter from Schnabel to Ott January 13, 1950] [Filed under LP Correspondence: (Chemical Abstracts), #70.2]
• Letter from Abbot Simon, Initiating Committee, American Peace Crusade, to LP RE: Asks LP to read the attached proposed letter to the Editor of the New York Times which protests the news story about the formation of the organization. Asks LP to express his approval or disapproval by wire. [Filed under LP Peace: (Assorted Peace Groups (Am)), Box #4.009, Folder #9.6]
• Letter from Abbott Simon, Initiating Committee, American Peace Crusade, to LP RE: States that it was good to spend time with AHP and him, and apologizes for exceeding his time limit. Encloses a copy of a letter from Dr. Morrison to Dr. Thomas Mann and discusses the situation involving the two men. Encloses the minutes of the sponsor meeting and two issues of the People’s Crusader. Discusses other matters and states that the draft of the letter to the New York Times will be sent to him under separate cover. [Filed under LP Peace: (Assorted Peace Groups (Am)), Box #4.009, Folder #9.6]
• Letter from Anna H. Koffler, Instructor in Biological Sciences, University of Kansas City, to LP RE: Inquires if LP would supply her with some compounds of antigens for use by a student in her advanced serology class who would like to work on the in vitro demonstration of antibodies. [Letter from LP to Koffler April 4, 1950] [Filed under LP Correspondence: (K: Correspondence, 1950), #200.15]
• Letter from E. J. Crane, Editor, Chemical Abstracts, to Dr. Glenn V. Brown, cc. LP RE: States that he is glad to know that Chemical Abstracts is useful to him and expresses his appreciation for his kind comment about their service. Agrees with him about the value of bibliographies and includes a quote from the Directions for Abstractors about bibliographies which needs to be emphasized more. [Filed under LP Correspondence: (Chemical Abstracts), #70.2]
• Letter from E. J. Crane, Editor, Chemical Abstracts, to Dr. Gordon Mackinney, University of California at Berkeley, cc. LP RE: Agrees with Mackinney that their organic abstracts are on average longer than the other abstracts and sometimes too detailed. Discusses this matter further. [Letter from Mackinney to Ott January 13, 1950] [Filed under LP Correspondence: (Chemical Abstracts), #70.2]
• Letter from E. M. Johnson, Telluride Association, to LP RE: Thanks him for his gift of $25.00 toward the work of the Association at Pasadena and encloses a receipt. [Filed under LP Correspondence: (T: Correspondence, 1950), #410.15]
• Letter from J.D. Bernal, Birkbeck College Research Laboratory, University of London, to LP RE: Concerns his work on eta-bronze and LP’s new discoveries based on Bernal’s crystals. Agrees with LP’s hypothesis about two forms of eta-bronze. Sends LP photographs and new specimens. There is a note in pencil in the upper right margin: “DPS took photos” [Letters from LP to Bernal October 5, 1949 and March 14, 1950] [Filed under LP Correspondence: (Bernal, J. D.), #27.14]
• Letter from President A. W. Trueman, University of New Brunswick, to LP RE: Enclosing a check for the expenses LP incurred during his visit. Expresses his sincere appreciation that LP was able to visit and give two brilliant addresses. Tells LP that his visit meant a lot to many of the students and members of his staff. [Letter from LP to Trueman March 3, 1950] [Filed under LP Speeches: 1950s.2]
• Letter from R. H. Bogue, Director, Portland Cement Association Fellowship, to LP RE: Sends a statement entitled, “Lecture Tour of Swedish Savant,” concerning Professor J. A. Hedvall’s U.S. visit. States that his itinerary is given at the end of the statement. [Letter from Shoemaker to Bogue 1–26-50] [Filed under LP Correspondence: (H: Correspondence, 1950), #166.1]
• Receipt for LP’s $5.00 contribution to the Caltech YMCA. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]

• A Letter from Kirtley F. Mather, President, and Henry Margenau, Board Chairman, Foundation For Integrated Education, to LP RE: Invites LP to attend the Oklahoma Stillwater Conference on the nature of concepts, their inter-relation, and role in social structure. Encloses the conference brochure. [Letter from LP to Mather and Margenau March 2, 1950] [Filed under LP Correspondence: (Foundation for Integrated Research), #122.8]
• Bill from the Pacific Telephone and Telegraph Company to LP for $37.14. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
• Check from AHP to Irma Wyinn for $7.50. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Check from AHP to Pasadena Tuberculosis Association for $2.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Check from AHP to Preben Kent for $50.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Letter from Alden H. Emery, Executive Secretary, American Chemical Society to Members of the Priestley Medal Committee RE: Explains that in 1951 the society is having their 75th Anniversary Meeting and at that time will be granting honorary membership into the ACS to some people. Requests the committee’s thoughts on the idea of awarding both honorary membership and the Priestley Medal. Suggests that if the committee feels there should be no duplication of honors that they make their nominations for the Medal now so that when the time comes for submitting names for honorary membership there is no issue of duplication. [Letter from Emery to LP February 6, 1950, Letter from Emery to Priestley Medal Committee February 16, 1950] [Filed under LP Science: (American Chemical Society: Materials re: Committees and Awards, 1948-1951, 1967), Box #14.010, Folder #10.6]
• Letter from Alden H. Emery, Executive Secretary, American Chemical Society to Members of the Priestley Medal Committee RE: Notifies them of the four chemists nominated for the 1950 Priestley Medal and requests that they cast their vote in support for one of them. Includes copies of each nominees vita. [Letter from Emery to Priestley Medal Committee February 16, 1950, Letter from Emery to Priestley Medal Committee March 10, 1950] [Filed under LP Science: (American Chemical Society: Materials re: Committees and Awards, 1948-1951, 1967), Box #14.010, Folder #10.6]
• Letter from Alden H. Emery, Executive Secretary, American Chemical Society, to Board of Directors of the American Chemical Society RE: Writes that the Board of Directors will meet in Philadelphia, Pennsylvania on April 9. Also encloses a report of the work of the Cooperative Committee on Science and Mathematics Teaching at the suggestion of Dr. K. Lark-Horovitz, Chairman of the Committee, who is very anxious that they become informed of their activity. [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.1]
• Letter from E. J. Crane, Editor, Chemical Abstracts, to Dr. Albert P. Kline, Kirksville College of Osteopathy and Surgery, cc. LP RE: Responds to Kline’s suggestions that Chemical Abstracts seek financial support from other than ACS membership dues and subscriptions by members. [Letter from Kline to Ott January 28, 1950] [Filed under LP Correspondence: (Chemical Abstracts), #70.2]
• Letter from Edward Barsky, National Chairman, Spanish Refugee Appeal of the Joint Anti-Facist Refugee Committee, to LP RE: Discusses the vote for lifting the United Nations ban on full diplomatic relations with Franco Spain. Encloses a petition to have the Administration reconsider its decision, as well as a letter and article. [Filed under LP Correspondence: (S: Correspondence, 1950), #378.4]
• Letter from LP to AHP. [Filed under LP Safe: Box #1.019, Folder #19.15]

  Thursday Night [16 February 1950]

  [Letterhead:] The Biltmore New York

  Dearest love:

  Everything is going along well. I hope that you are in good shape. Henry sends his condolences. He broke his right wrist in just the same way; he has full use of his hand, although the bones didn't knit together and his wrist is mis-shapen.

  My trip down was uneventful. I arrived in New York at 230 and have been kept busy. I talked with Jack McManus of the National Guardian about the "The Group". Aunt Anita's idea was to set up a foundation to support a free and independent press; now they are afraid she never be well enough to go ahead. She had a "benign tumor" removed, that was interfering with her digestion. Then

  [page 2]

  I was interviewed by Mr. Klein for Thackery's paper, + then went to dinner at the Century. Moe and Wilson look fine but Frank looks terrible - he seems to be in very bad shape. Both Henry + I think that he shouldn't have come to the meeting. He is very red, and his eyes, which he usually keeps lowered are bloodshot. Then I went to Hannah Dowers apartment to talk with her + Abbott Simon about the meeting. It is causing much interest. On Sunday I am going to see Einstein + also Veblen. Einstein is preparing a statement. I am going to ask him to join with me in issuing a call to a national H-bomb conference in Washington next month; also I want to find out what to do about Urey and the Em. Com. I'm going to

  [page 3]

  inscribe a radio talk on the H bomb for WBC on Monday. Saturday night I'm going to Death of a Salesman with Shapley. He is to introduce me Monday night.

  Did I tell you that before leaving Fredericton I gave a half-hour radio talk? It was played back, and sounded so good that the local radio man asked if I would allow him to submit it to Canadian B. C. for Canada-wide broadcast. He said that if it was accepted they would sen me a check.

  I'm going to bed now- I should read a few Gug. [?] digests first.

  Your own,

  Paddy

  Love Love Love Love

  more love ---over

  [page 4]

  I start home at 11:59 PM Monday night, Am. Airlines flight 3, due LA 8:30 AM. I'll take bus to Biltmore. If no one is there, I"ll take a cab to lab-I have a lecture at 10. Then I'll have someone bring me home.

  Your own,

  Paddy

• Letter from LP to Arthur Linz, Vice-President, Climax Molybdenum Company, RE: States that he would like to have lunch with Mr. Linz and President DuBridge at the Athenaeum on Linz’s next trip West. [Letter from Linz to LP February 24, 1950] [Filed under LP Correspondence: (Climax Molybdenum Company, 1950), #71.3]
• Letter from LP to Dr. Clarence Zener, Institute for the Study of Metals, University of Chicago, RE: Writes that he is looking forward to being in Chicago on April 27, and is sorry to miss seeing him. Writes that perhaps he will be in Washington earlier and they can talk there while LP is attending the meeting of the National Academy of Sciences. [Letter from Zener to LP February 13, 1950, Letter from LP to Zener March 2, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.2]
• Letter from LP to Elliott R. Weyer, Charles Pfizer and Company, Inc., RE: Thanks them for the samples of Terramycin base. There is a note in the bottom margin: “orig. to RBC” [Letter from Weyer to LP February 10, 1950 (missing), Letter from LP to Weyer April 19, 1950] [Filed under LP Correspondence: (Charles Pfizer and Company, Inc., 1950, 1969), #70.1]
• Letter from LP to F. E. Simon RE: States that work done on cerium appeared in the January issue of Journal of Chemical Physics. LP looked at the report and that the results agree with those of Schuch and Sturdivant and that he will be sending the reports back to him soon. [Letter from LP to Simon February 6, 1950] [Filed under LP Correspondence: (Simon, F. E. ) #365.2]
• Letter from LP to Hannah Dorner, National Council of the Arts, Sciences, and Professions, RE: States that he trusts that everything went well at the meeting after he left. Tells her that he caught his flight and the trip back to Pasadena was satisfactory. Asks them to send him several copies of the mimeographed sheets of his talk. States that he will let her know about any interesting developments and he thinks that the meeting was a success. [Letter from Dorner to LP February 25, 1950] [Filed under LP Speeches: 1950s.3]
• Letter from LP to Henry Allen Moe, John Simon Guggenheim Memorial Foundation RE: Sends him his expenses and thanks him for his advice on his talk. Mentions the audience’s reaction to it. [Letter from Moe to LP February 14, 1950 and February 20, 1950] [Filed under LP Science: (John Simon Guggenheim Memorial Foundation, 1946-1952), Box #14.014, Folder #14.5]
• Letter from LP to J. E. Hobson, Director, Stanford Research Institute, RE: Confirms his presence at the advisory board on air pollution. [Letter from Hobson to LP February 14, 1950] [Filed under LP Correspondence: (Stanford Research Institute), #376.7]
• Letter from LP to Joseph W. Kennedy, Chairman, Department of Chemistry, Washington University, RE: States that he is glad to know that Kennedy has found his book, General Chemistry, to be satisfactory for use in his freshman course. Discusses his course and states that Kennedy is covering ground at a faster rate. Tells Kennedy that he will shortly begin reading galley proofs on another book, College Chemistry, which contains many of the same chapters and says that he would be glad to have a list of misprints and sentences that are unclear to students. [Letter from Kennedy to LP February 10, 1950] [Filed under LP Books: 1947b6.2]
• Letter from LP to Melvin Gardner RE: Suggests that Mr. Gardner consult the Encyclopedia Britannica to find out about the percentages of different gases in the atmosphere. Tells him that coronium was shown, about 15 years ago, to be oxygen by Professor I. S. Bowen at Caltech. [Letter from Gardner to LP February 8, 1950] [Filed under LP Correspondence: (G: Correspondence, 1950), #140.14]
• Letter from LP to N. V. Sidgwick, Lincoln College, RE: Tells Sidgwick that he looks forward to his visit in June. Inquires if he will give more detailed lectures when he comes to Caltech. Informs him that Ava has fallen and broken her wrist. States that his responsibilities as the ACS president and the revision of his new book College Chemistry will keep him busy for the next month or so. [Letter from Sidgwick to LP February 10, 1950] [Filed under LP Correspondence: (Sidgwick, N. V.), #364.1]
• Letter from LP to President DuBridge RE: Expresses that he thinks that the work being carried out under the transfer program on the Chemical Engineering Laboratory is important work and that he hopes they can continue to support it for a 2nd five-year period. [Filed under LP Biographical: Academia: (CIT: Materials re: Division of Chemistry and Chemical Engineering, 1946-1964.), Box #1.021, Folder #21.3]
• Letter from LP to Roger Hayward RE: Asks him to make a new drawing of one in General Chemistry to put into College Chemistry. Describes ways to improve the drawing. [Filed under LP Books: 1950b.2]
• Letter from Robert McGowan, Publicity Assistant, Associated Alumni of the University of New Brunswick, to LP RE: Encloses a newspaper clipping about LP’s address that appeared in the Fredericton Daily Gleaner on February 8, 1950. Handwritten note: “Chuck: McGowan is the young fellow I mentioned to you. LP” [Newspaper Clipping February 8, 1950, Letter from LP to McGowen March 2, 1950] [Filed under LP Speeches: 1950s.2]
• Letter from Theo F. Lentz, Director, Attitude Research Laboratory, RE: States that they were encouraged and impressed by the report of LP’s speech to the rally sponsored by the National Council of Arts, Sciences, and Professions in New York. Discusses LP’s suggestion that the U.S. subsidize a multi-million dollar research project into war prevention. Discusses his laboratory’s work and related matters. [Filed under LP Correspondence: (L: Correspondence, 1950), #230.16]
• Letter from William M. Schuyler, Editor, The American Year Book, to Alden H. Emery, Executive Secretary, American Chemical Society, RE: Writes that the representative has the responsibility to scan over the Chemistry articles and if there are changes that need to be made, to confer with the editor. Also requests that the American Chemical Society let him know whether they can print the name of the ACS and Colonel Bogert as its representative in the next issue of The American Year Book. [Letter from Schuyler to Emery February 6, 1950, Letter from Emery to Executive Committee February 20, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.1]
• Memo from LP to JHS RE: Asks if there is anything interesting in the manuscript. [Filed under LP Correspondence: (Simon, F. E. ) #365.2]
• Note from Kenneth H. Browne to LP RE: Discusses LP’s distinguished life and career and asks for an autographed photo. [Letter from LP to Browne April 4, 1950] [Filed under LP Correspondence: (B: Correspondence, 1950), #37.17]
• Schedule of LP’s Appointments: Lists LP’s appointments and engagements from February 16-20, 1950. Handwritten notes on the front and back sides of the paper which discuss atomic war, Dr. Harold Urey, and related matters. [Filed under LP Speeches: 1950s.3]

• Article: “Action of Carboxypeptidase Toward Peptides Containing Unnatural Aromatic Amino Acids” by Floyd W. Dunn and Karl Dittmer. Printed in Science. [Filed under LP Science: (Research on Biological Specificity, 1973-1996), Box #8.002, Folder #2.6]
• Article: “Heredity, Environment, and Evolution” by Th. Dobzhansky. Printed in Science. [Filed under LP Science: (Research on Biological Specificity, 1973-1996), Box #8.002, Folder #2.6]
• Bill from the Apothecary Shop of the Thatcher Medical Building to LP for $4.24. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
• Letter from David Pressman, Sloan-Kettering Institute for Cancer Research, to LP RE: Apologizes that he was unable to contact LP before he left last week. States that he wanted to ask LP about Wormall and discusses Wormall’s paper about the valence of antibodies, which appeared in the January 21 number of Nature. Asks LP to send some reprints of his papers and mentions other matters. [Letter from LP to Pressman March 3, 1950] [Filed under LP Correspondence: (Pressman, David), #309.7]
• Letter from LP to Dr. Ing. Bertold Reuter, Berlin Zehlendorf, Germany. RE: Telling Reuter that there is a small possibility that he will be changing the book in the near, and that he should translate the present edition for the German population. [Filed under: LP Manuscripts of Books, 1960b.5.2]
• Letter from LP to Alden H. Emery, American Chemical Society, RE: Shares that Dr. Rafael Illescus Frisbie recommends sending an invitation to the National University to obtain an official representative of Mexican chemists. States that, from LP’s own experience, there is no significant organization of chemists in Mexico and advises that they send the invitation as suggested. [Letter from LP to Frisbie February 17, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.1]
• Letter from LP to Carey McWilliams RE: Accepts his invitation to be an initiator of the National Committee on Behalf of the Constitutional Rights of the Hollywood Ten, although he asks that the statements issued by the committee make no mention of his name, or anything affiliated with it. [Letter from McWilliams to LP February 9, 1950] [Filed under LP Correspondence: (M: Correspondence, 1950), #256.1]
• Letter from LP to Dr. Carl K. Pearlman RE: Informs him that he will use slides in his talk, so a projector will be needed. [Filed under LP Speeches: 1950s.9]
• Letter from LP to Dr. Chauncey D. Leake, Vice President, University of Texas Medical Branch, RE: Writes that he is able to visit on Tuesday, May 2, or Thursday, May 4, depending on which day works best for them. [Letter from LP to Griffith February 17, 1950, Letter from Griffith to LP February 20, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.2]
• Letter from LP to Dr. Ing. Bertold Reuter RE: Provides information about his plans for the preparation of a new edition of The Nature of the Chemical Bond. Says he thinks it may be worthwhile to translate the current edition into German. [Letter from Reuter to LP February 7, 1950] [Filed under LP Books 1960b5.2]
• Letter from LP to Dr. P. W. Selwood, Department of Chemistry, Northwestern University, RE: Tentatively agrees to give a lecture, but states that he is unsure about an exact date. Writes that he has agreed to make a tour of the sections of the Chemical Institute of Canada and that he might be able fit a visit to Northwestern University into his schedule. Inquires about acceptable dates and states that he will ask them to arrange his schedule so Northwestern can be included. Writes that he will formulate a title once Dr. Selwood provides him with some advice about the subject. [Letters from Selwood to LP February 3, 1950 and February 24, 1950] [Filed under LP Speeches: 1950s.25]
• Letter from LP to Dr. Wendell H. Griffith, Chairman , Department of Biochemistry and Nutrition, University of Texas Medical Branch, RE: Writes that he believes its possible for him to be in Galveston on either Tuesday, May 2, before he heads from Houston to Corpus Christi, or on Thursday May 4, after his visit to San Antonio on May 3. Asks which date would work best for him. [Letter from Leake to LP February 6, 1950, Letter from LP to Leake February 17, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.2]
• Letter from LP to Frances Benner, American Chemical Society, RE: Requests to move his Corpus Christi talk to Wednesday, May 3, and the San Antonio talk to Thursday, May 4 because he would like to spend May 2 with some friends at the University of Texas, Medical Branch, at Galveston. [Letter from LP to Benner January 31, 1950, Letter from Benner to Gentlemen February 20, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.2]
• Letter from LP to George Baitsell advising him to publish the second part of Professor Muller’s article in the issue following that in which the first part is published. [Letter from Muller to Baitsell January 24, 1950] [Filed under LP Correspondence: (Sigma Xi) #375.2]
• Letter from LP to George K. Tanham, Master of Student Houses, Caltech, RE: Gives him some names of professors who may be interested in attending student functions. [Letter from Tanham to LP February 1, 1950] [Filed under LP Correspondence: (T: Correspondence, 1950), #410.15]
• Letter from LP to Henri A. Levy, Chemistry Division, Oak Ridge National Laboratory, RE: Tentatively agrees to include the August Symposium in his plan for the year. [Letters from Levy to LP February 3, 1950, Letter from LP to Levy June 8, 1950] [Filed under LP Correspondence: (L: Correspondence, 1950), #230.16]
• Letter from LP to Hubert Alyea, Frick Chemical Laboratory, Princeton University, RE: States that he was pleased to learn that Professor Alyea will be sending samples of fresh IO2 to Dr. Zinsser. Says that he asked Professor Sturdivant to send him a set of blueprints for the magnetosusceptimeter. Writes that they were glad to have him working their laboratory and recommends some graduates for positions at Princeton. [Letters from Alyea to LP February 7, 1950 and February 22, 1950] [Filed under LP Correspondence: (A: Correspondence, 1950), #12.16]
• Letter from LP to Kurt Mislow, Department of Chemistry, New York University, RE: Thanks him for sending the letter which discusses his new projects. Tells Mislow that he will let him know if he hears of a suitable position for him. [Note from Mislow to LP January 30, 1950] [Filed under LP Correspondence: (Mislow, Kurt), #248.4]
• Letter from LP to Quimico Tecnico, Rafael Illescas Frisbie, Laboratorios Nacionales de Fomento Industrial, RE: Thanks him for his letter and writes that he will pass on the message to contact the Universidad Nacional Autonoma de Mexico. Writes that AHP and he were planning to be in Mexico in December, but other matters came up and they had to change their plans. They hope to visit him in Mexico City sometime later this year, perhaps next fall. [Letter from Frisbie to LP February 8, 1950, Letter from LP to Emery February 17, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.1]
• Letter from LP to. D. F. Swinehart, Secretary of the Oregon Chapter of Sigma Xi, University of Oregon, RE: Suggests “The Place of Chemistry in Medical Research” as the subject for his talk. [Letters from Swinehart to LP February 2, 1950 and May 6, 1950] [Filed under LP Speeches: 1950s.15]
• Letter from P. Auger, Head of the Department of Natural Sciences, UNESCO, to LP RE: Asks LP if he would write a 3000 word report on the importance of science in the general education, as well as how science can relate to the people in the modern world. Encloses a list of other people who has accepted this request by UNESCO and two copies of the contract covering the preparation of the report, one to send back and one to keep for his records. [Letter from LP to Auger June 22, 1950] [Filed under LP Correspondence: (United Nations Educational, Scientific, and Cultural Organization (UNESCO)), #420.2]
• Letter from S. K. Karalis, Greece, to LP. Asking for a copy of his chemical bonds book, because he cannot get it himself. [Filed under: LP Manuscripts of Books, 1960b.5.2]
• Letter from S. K. McIlvanie, Department of Hematology, Institute for Medical Research, University of Illinois, to LP RE: Includes descriptions of the patients with hemoglobinuria as well as some blood samples. [Letter from LP to McIlvanie January 18, 1950, Letter from Itano to McIlvanie February 2, 1950] [Filed under LP Correspondence: (M: Correspondence, 1950), #256.1]
• Note from S. K. Karalis to LP RE: Requests a copy of LP’s book, The Nature of the Chemical Bond. [Letter from LP to Gentlemen June 8, 1950] [Filed under LP Books 1960b5.2]
• Speech Announcement: “Reminder: Dr. Linus Pauling... on The Atom and Peace in 1950”, Crescenta-Canada Democratic Club, La Crescenta, California, February 17, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.52]
• Speech Announcement: “The Atom and Peace in 1950”, Crescenta-Canada Democratic Club, La Crescenta, California, February 17, 1950. [Filed under LP Biographical: Scrapbooks, 1946-1950: Box #6.005, Folder 5.52]

• Letter from George A. Baitsell, Society of the Sigma Xi, to LP RE: Writes that he is revising his Textbook, “Human Biology” and would like to included some material from LP’s article “Chemical Achievement and Hope for the Future.” Also hopes that LP will be able to attend the Executive Committee meeting on April 27th in Washington. [Letter from LP to Baitsell March 2, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.2]
• Letter from Henry Allen Moe, John Simon Guggenheim Memorial Foundation to LP RE: Notifies him that Group Fiction has been sent and asks that if he wants to read any specific books by the applicants to let him know, otherwise he will just choose some and send them to LP. [Filed under LP Science: (John Simon Guggenheim Memorial Foundation, 1946-1952), Box #14.014, Folder #14.5]
• Letter from John T. Edsall, Department of Physical Chemistry, Harvard Medical School, to LP RE: Expresses their interest in Dr. Corey’s molecular models and says that they would be willing to invest a large sum in the models for use in their laboratory. States that he would be willing to offer testimony of the models’ value to assist LP in finding financial backing for this project. Discusses their own attempts to develop models and technical aspects concerning the creation and use of the models. [Letters from LP to Edsall February 8, 1950 and March 2, 1950] [Filed under LP Correspondence: (Edsall, John T.), #106.5]
• Letter from Ralph Spitzer to LP RE: compliments LP on his speech in New York. Spitzer tells LP that he will know on April 1st whether his fellowship will be renewed. [Letter from LP to Spitzer January 3, 1950 and February 24, 1950] [Filed under LP Biographical: (Political Issues: Ralph Spitzer: Academic Freedom and Passport Difficulties, 1942-1994), Box #2.034, Folder #34.2]
• Letter from S. C. Rakshit to LP RE: Inquires if scholarships and fellowships are offered to Indians for higher studies. [Letter from LP to Rakshit March 3, 1950] [Filed under LP Correspondence: (R: Correspondence, 1950), #340.15]
• Program: Winter Meeting, Southern California Section, Pacific Southwest Association for Chemistry Teachers. February 18, 1950, Immaculate Heart College. LP’s handwritten notes from the various sessions are on the back of the program. [Filed under LP Correspondence: (P: Correspondence, 1950), #312.5]

• Letter from LP to AHP. [Filed under LP Safe: Box #1.019, Folder #19.16]

  Sunday evening [19 February 1950]

  [Letterhead:] The Biltmore

  New York

  Dear love:

  I have to write to you, even though I'll be home before the letter.

  I had a fine talk with Einstein today. He said that my Compass statement was exactly right-that it expressed his views exactly-and that, indeed, he thought that he and I were very much alike. He said that he felt very sorry that Urey had gone wild, but that he had, and we would have to get rid of him.

  He told me about his new theory-how he went about developing it, by seeking the simplest generalization of

  [page 2--this page is written on the right hand side of the folded letter, and the 3^rd page is actually written before on the left hand side]

  his general relativity, how it is now hanging in the air, with no ties to the ground of experimental observation. I told him about my high-pressure work and the sickle-cell work.

  I asked him if he had Podolsky in recent years. He said no. I said that he and Rose had been divorced. He said "They were both right"--and then he laughed, with great guffaws. We had a good time.

  Dennis Flanagan, editor of the Scientific American, drove me down and back. His wife Jerry was along-she works for

  [page 3--back to left hand side]

  Life. Flanagan is a good young man.

  I haven't yet written my speech, but I'm tired, and shall now go to bed, doing the job in the morning.

  Your own

  Paddy.

  PS Einstein wouldn't give me a statement for ASP. He said that in his experience they weren't reliable.

• Letter from R.H. Turnbull to Sir Shanti RE: Discusses the article he read in the Statesman about the lecture that LP is giving in New York about atomic and hydrogen bombs. Asks why, if scientists can discuss the results of their world openly with each other, can politicians not do the same. Explains his beliefs that scientists must cooperate and make an effort towards LP’s purpose. Informs him that the Council of the Royal Institute of Chemistry of Great Britain and Ireland has made him a life member. [Filed under LP Personal Safe, Drawer #2, Folder #2.022]
• Schedule of Appointments: Meeting with Dr. Einstein at 4:30 P.M. at the Institute of Advanced Studies

• Bill from the Union Oil Company of California to LP for $59.80. Series of bills from January attached. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
• Check from AHP to National Wildlife Federation for $1.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Letter from Abbott Simon, Initiating Committee, American Peace Crusade, to LP RE: Sends another copy of the letter to LP’s California address in the case that he had already left the East Coast when he sent the letter to his address in Wellesley Hills. Encloses a copy of the draft letter to the New York Times and states that they would like to know if LP finds it satisfactory. [Filed under LP Peace: (Assorted Peace Groups (Am)), Box #4.009, Folder #9.6]
• Letter from Alden H. Emery, Secretary, American Chemical Society, to Executive Committee, Board of Directors, American Chemical Society, RE: Encloses a letter from Mr. Hanson, which requires an urgent reply. [Letter from Hanson to Emery February 20, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.1]
• Letter from Alden H. Emery, Secretary, American Chemical Society, to Executive Committee, Board of Directors, RE: Encloses two letters which should answer their questions about the American Chemical Society’s relationship with the American Year Book. The American Year Book wishes to carry the name of the ACS as a member of its advisory board and requests the Board’s approval. [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.1]
• Letter from Elisha Hanson, Law Offices of Hanson, Lovett, and Dale, to Alden H. Emery, American Chemical Society, RE: Writes that Mr. Frederick died in 1932 and his estate was held in trust for his two sisters during their lives, and the American Chemical Society was named the residuary legatee under the condition that after the death of the sisters, the net income is to be used to establish scholarships. Offers a suggestion to increase the value of the estate and asks the approval of the ACS. [Letter from Emery to Executive Committee February 20, 1950, Telegram from LP to Emery February 22, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.1]
• Letter from Frances V. Benner, Special Assistant, American Chemical Society, to Gentlemen, RE: Encloses the April- May tour schedule for LP and requests that the local sections write to LP giving the time and place of their meeting, directions as to the procedure upon arrival in their city, their telephone numbers, data regarding special luncheons or dinners, the type of audience to expect, and any additional helpful comments or suggestions. Also requests that they inform LP which of his three lectures they wish to hear and to make hotel arrangements for LP and AHP. [Letter from LP to Benner January 17, 1950, Letter from Benner to Local ACS Sections February 21, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.2]
• Letter from Frances V. Benner, Special Assistant, American Chemical Society, to LP RE: Encloses a copy of his itinerary for his speaking tour before the local ACS sections and a record sheet for his expenses. [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.2]
• Letter from Fred Caiola to LP RE: Writes that he has been working on an Oxygen Tester to determine the amount of oxygen in a tent or chamber. Inquires if LP’s work on the use of magnetic tools to determine traces of oxygen is successful because he does not want to continue his own research in this area if LP’s method is successful. [Letter from LP to Caiola March 2, 1950] [Filed under LP Science: (Scientific War Work – Materials re: the Pauling Oxygen Meter, 1942-1950), Box #13.002, Folder #2.3]
• Letter from Henry Allen Moe, John Simon Guggenheim Memorial Foundation to LP RE: Thanks him for his letter, offers his services at any time, states that the treasurer will send him his reimbursement check as well as an advance reimbursement check for LP’s trip in March. [Letter from LP to Moe February 16, 1950] [Filed under LP Science: (John Simon Guggenheim Memorial Foundation, 1946-1952), Box #14.014, Folder #14.5]
• Letter from LP to Dr. H. M Walton, Chairman, Postgraduate Assembly. RE: Informs him that he plans on using slides at his presentation and that he will need a projector. [Filed under LP Speeches: 1950s.10]
• Letter from LP to E. C. Kleiderer, Executive Director, Research and Control, Lilly Research Laboratories, RE: Reports his expenses for his trip to Indianapolis. Encloses a list of books related to clocks that Mr. Hall, a bookseller, has on hand. Asks for copies of the book on Material Medica for LP Jr. and himself, as well as the cost of the two tubes of Histadyl and Surfacaine that Kleiderer gave him. [Letter from Kleiderer to LP February 24, 1950] [Filed under LP Correspondence: (Eli Lilly and Company), #111.4]
• Letter from LP to F. L. Carraro RE: States that he does not know a lot about philosophy and that he cannot give his opinion on any of the points that Carraro makes. [Letter from Cararro to LP February 8, 1950] [Filed under LP Correspondence: (C: Correspondence, 1950), #74.18]
• Letter from LP to Florence S. Chesse, W. H. Freeman & Co., RE: Suggests that specific appendices be included in College Chemistry. [Letter from Chesse to Wulf February 9, 1950, Letter from Chesse to LP February 27, 1950] [Filed under LP Books: 1950b.2]
• Letter from LP to Harry M. Crooks Jr., Parke, Davis and Co., RE: Sends him a copy of the manuscript, “X-ray Analysis of Some Antibiotic Substances,” which was submitted to Science for publication. [Filed under LP Correspondence: (Parke, Davis and Company), #310.2]
• Letter from LP to John A. Kingsbury RE: Thanks him for the letter. Discusses Dr. Urey’s changing views. [Note from Kingsbury to LP February 12, 1950] [Filed under LP Correspondence: (K: Correspondence, 1950), #200.15]
• Letter from LP to Leo Szilard, Institute of Radiobiology and Biophysics, University of Chicago, RE: Thanks him for his letter but states that he did not have it when he was in New York. LP visited Einstein on the February 12th and talked to him about the reorganizing of the Emergency Committee. States that he will send him a copy of his speech on the question of peace or war and that he will be coming over to the east coast in about a month. [Letters from Szilard to LP February 8, 1950 and March 15, 1950] [Filed under LP Correspondence: (Szilard, Leo: Correspondence), #372.1]
• Letter from Wendell H. Griffith, Chairman, Department of Biochemistry and Nutrition, to LP RE: Writes that either date works for them, but suggests Tuesday, May 2, so he will not have to back track in his travels. [Letter from LP to Leake February 17, 1950, Letter from LP to Griffith March 10, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.2]
• Statement of transactions from F. C. Nash & Co. to LP: Informs him that he has a $2.06 due. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]

• Check from AHP to Committee for the Nation’s Health for $25.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Check from AHP to Dr. Jud R. Scholtz for $27.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Check from AHP to Jurgensen’s for $24.70. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Check from AHP to L. Helgeson for $14.25. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Check from AHP to Louise Saurenman for $1.35. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Check from AHP to Southern Counties Gas Company of California for $32.68. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Letter from Arthur Cherkin, Vice President and Director of Research to Major Edwin J. Pulaski, Surgical Research Unit, Brooke General Hospital, Brooke Army Medical Center, Fort Sam Houston, Texas, cc: LP RE: Informs that 5% Gelatin Solution could be available for him to use if he would like it. He would like to hear from him about his results to date. [Filed under LP Science: (Materials re: Oxypolygelatin Blood Plasma Substitute, 1945-1951), Box #6.003, Folder #3.2]
• Letter from Beatrice Wulf, Executive Secretary, Gates and Crellin Laboratories to M. Colavita, Assistant to P. M. Menlowe, McKeesport Hospital, RE: States that sodium dithionate can be obtained at any chemical supply house under the name sodium hydrosulfite or sodium hyposulfite. [Letter from Colavita to LP February 11, 1950] [Filed under LP Correspondence: (C: Correspondence, 1950), #74.18]
• Letter from Florence S. Chesse, W. H. Freeman and Co., to LP RE: Says that he should have by now received the galley proofs for College Chemistry. Requests that he carefully check the proofs against the manuscript for corrections and changes and send them to back to W.H. Freeman & Co. [Filed under LP Books: 1950b.2]
• Letter from Frances V. Benner, Special Assistant, American Chemical Society, to Gentlemen, San Antonio and South Texas Section, American Chemical Society, RE: Writes that they have received a request from LP to move the Corpus Christi lecture to Wednesday, May 3, and the San Antonio talk to Thursday, May 4. [Letter from Benner to Gentlemen February 20, 1950, Letter from Benner to LP March 7, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.2]
• Letter from LP to V. K. Zworykin, RCS Laboratories Division, Radio Corporation of America. Handwritten note: “Letter sent to Beckman.” [Missing Letter from Zworykin to LP February 8, 1950] [Filed under LP Correspondence: (Z: Correspondence, 1951), #468.8]

  February 21, 1950

  Dr. V. K. Zworykin

  Radio Corporation of America

  RCA Laboratories Division

  Princeton, New Jersey

  Dear Dr. Zworykin:

  I am glad to learn from your letter of February 8 that you are interested in our oxygen meter.

  A description of the instrument was published in Science, and, in greater detail, in the Journal of the American Chemical Society. The references are:

  An Instrument for determining the partial pressure of oxygen, Linus Pauling, Reuben E. Wood, and James H. Sturdivant, Science, 103,338 (1946); J. Am. Chem. Soc. 68, 795 (1946).

  The instrument, in several models, is being manfactored [sic] by A. O. Beckman, 11 State Street, Pasadena, Calif. I have asked Dr. Beckman to send you literature on the commercial models.

  Sincerely yours,

  Linus Pauling:W

• Letter from Rose to AHP RE: Discusses how busy she is at work and tells AHP that she was very happy to see LP looking well and that she liked the speech he gave at Carnegie. Tells AHP about how she injured her arm and that she is going to Washington the next day. [Filed under Ava Helen Pauling: (General Correspondence, Personal, N-Z.), Box #1.002, Folder #2.2]
• Letter from William Tobitt, Executive Secretary, Orange County Medical Association, to LP RE: Asks for a 1000 word synopsis of his talk to be given on March 7, 1950. [Filed under LP Speeches: 1950s.9]
• Manuscript, Typescript: Television Speech, [re: atomic and hydrogen bombs & nuclear war] KTTV, Los Angeles, California, February 21, 1950. [Filed under LP Speeches: 1950s.6]
• Note from LP to Abbott Simon, Initiating Committee, American Peace Crusade, RE: States that he will not be able to attend the meeting. Expresses his thoughts about peace. [Filed under LP Peace: (Assorted Peace Groups (Am)), Box #4.009, Folder #9.6]
• Speech: Television Speech, (re: atomic and hydrogen bombs & nuclear war) KTTV, Los Angeles, February 21, 1950. LP informs that our differences could previously be solved by going to war, but with the invention of the atomic and hydrogen bomb, war would be too devastating. Points out that weapons exist which are so destructive that they could wipe out a large city. Calls for permanent world peace for the sake of preventing atomic war. [Filed under LP Speeches: (Speeches by LP, 1950) #1950s.6]

• Check from AHP to Sue Perry for $15.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box # 4.019, Folder #19.2]
• Letter from Elisabeth Mann Borgese, Editor, Common Cause, to LP RE: Sends LP the February edition of Common Cause under separate cover. Draws LP’s attention to the Baruch-Vorys letters. Provides LP with a brief description of the magazine. [Filed under LP Correspondence: (Borgese, Elisabeth Mann), #28.15]
• Letter from Emil Ott, Committee on Financing of ACS Publications, to Dr. Edgar C. Britton, Charles A. Kraus, Linus Pauling, and Charles A. Thomas RE: Discusses upcoming meetings of the Committee on Financing of ACS Publications. [Filed under LP Correspondence: (Chemical Abstracts), #70.2]
• Letter from Hubert N. Alyea, Frick Chemical Laboratory, Princeton University, to LP RE: Expresses his disappointment that he was unable to hear LP’s talk at Carnegie Hall the preceding Monday. States that the newspaper did not provide sufficient publicity for LP’s talk and asks LP to let him know when he is giving similar talks in the East. There is a note in pen in the bottom margin: “Thank you very kindly for you letter re available men, which has just arrived. Hubert” [Letters from LP to Alyea February 17, 1950 and March 6, 1950] [Filed under LP Correspondence: (A: Correspondence, 1950), #12.16]
• Letter from LP to Office of Naval Research RE: Encloses copies of the quarterly status report for contract N6onr-24432. [Filed under LP Science: (Office of Naval Research: Correspondence, Contract Status Reports and Project Status Reports, 1947-1962), Box #14.031, Folder #31.13]
• Telegram from LP, California Institute of Technology, to Alden H. Emery, American Chemical Society, RE: LP approves of Mr. Hanson’s recommendation. [Letter from Hanson to Emery February 20, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.1]

• Check from LP to Sears for $110.36. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Letter from Henry Allen Moe, John Simon Guggenheim Memorial Foundation to LP RE: Sends him Robert S. McGowan’s article from The Daily Gleaner which covers LP’s lecture in Fredericton. [Filed under LP Science: (John Simon Guggenheim Memorial Foundation, 1946-1952), Box #14.014, Folder #14.5]
• Letter from James F. Mathias, Associate Secretary, John Simon Guggenheim Memorial Foundation to LP RE: Sends a copy of the minutes from the last meeting and notifies him that the next meeting will be March 18-19, requests that he also plan on staying until March 20 if possible because discussing the new application format might take longer than planned. File includes a copy of the “Minutes of A Meeting of the Standing Committee of the Educational Advisory Board of the John Simon Guggenheim Memorial Foundation.” [Letter from LP to Moe March 3, 1950] [Filed under LP Science: (John Simon Guggenheim Memorial Foundation, 1946-1952), Box #14.014, Folder #14.5]
• Letter from Samuel Sklarew, RBS Enterprises, to the Dean of the Department of Chemistry, California Institute of Technology, RE: States that he would like to talk with someone from the faculty or student body who has experience working with a boule furnace. [Letter from LP to Sklarew March 7, 1950] [Filed under LP Correspondence: (S: Correspondence, 1950), #378.4]
• Notice of discontinuance of gas service for nonpayment of bill from the Southern Counties Gas Company of California to LP: Informs LP that he must pay his $18.53 gas bill by March 1st or else service will be discontinued. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]

• Article: “Synthesis of Greatly Enriched HD” by Francis J. Norton. Printed in Science. [Filed under LP Science: (Research on Biological Specificity, 1973-1996), Box #8.002, Folder #2.6]
• Bill from Jurgensen’s Grocery Company for $5.89. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
• Bill from the Apothecary Shop of the Thatcher Medical Building to LP for $6.62. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
• Letter from Arthur Linz, Vice-President, Climax Molybdenum Company, to LP RE: Regretfully states that he does not intent to visit California in the near future but that he will let LP know when he will next be in the area. [Letter from LP to Linz February 16, 1950] [Filed under LP Correspondence: (Climax Molybdenum Company, 1950), #71.3]
• Letter from David E. Green, Institute for Enzyme Research, University of Wisconsin, to LP RE: Discusses Dr. Frixos Charalampous who is currently working in his laboratory. States that they all think that it would be beneficial for him to work in LP’s laboratory for a year or more. Inquires if LP would be able to accommodate him for the period of September 1950 to September 1951. [Letter from LP to Green March 6, 1950] [Filed under LP Correspondence: (C: Correspondence, 1950), #74.18]
• Letter from Dr. P. W. Selwood, Department of Chemistry, Northwestern University, to LP RE: Thanks LP for his letter. Informs LP that they have open dates on October 10th and November 7th and expresses his hope that one of these dates fits into LP’s schedule. States that he will keep both dates open until he hears from LP. States that he will be in England until May and that hopefully LP will have finalized his plans by this time. Tells LP that he is free to decide on a topic but that he does not think LP has given a talk on the structure and binding of metals. [Letters from LP to Selwood February 17, 1950, Letter from Selwood to LP May 29, 1950] [Filed under LP Speeches: 1950s.25]
• Letter from E. C. Kleiderer, Executive Director, Research and Control, Lilly Research Laboratories, to LP RE: Tells LP that their financial division will reimburse LP for expenses related to his trip to Indianapolis. Kleiderer thanks LP for sending him the book list, and tells LP that the book that he asked for, DeRe Medicina, is no longer in print. States that they will send LP and his son the new version after it comes out. [Letters from LP to Kleiderer February 20, 1950 and March 3, 1950] [Filed under LP Correspondence: (Eli Lilly and Company), #111.4]
• Letter from G. J. Harris to LP RE: Expresses his opinion about Steelman’s report, which LP referred to him. Harris stresses the importance of discovering and training brilliant scientists. [Letter from LP to Harris June 8, 1950] [Filed under LP Correspondence: (H: Correspondence, 1950), #166.1]
• Letter from J.A. Romeyn to LP RE: Asks for LP’s opinion of Romeyn’s proposal that protein formed by bacterial cells in the presence of animal antigen constitute antibody. [Filed under LP Correspondence: (R: Correspondence, 1950), #340.15]
• Letter from LP to E. W. Hughes, cc: JHS, JBK, RE: Encloses lists of requests for library loans and asks him to bring it up at the next Division meeting. Believes that they should adopt the policy of making inter-library loans to colleges and universities but not to industrial organizations. Informs him that Roger Stanton has brought up the idea of having a full-time librarian divided equally between chemistry and biology. [Filed under LP Biographical: Academia: (CIT: Materials re: Division of Chemistry and Chemical Engineering, 1946-1956.), Box #1.020, Folder #20.5]
• Letter from LP to Julia Walcottt Cockeroft RE: Thanks her for the letter and discusses their hope for a peaceful future, as well as the prospect of war. [Filed under LP Correspondence: (C: Correspondence, 1950), #74.18]
• Letter from LP to Ralph Spitzer RE: Southern California ASP will print and distribute his speech. LP is not sure if the New York office will distribute it as well. LP asks Spitzer to keep in touch with him about the Fellowship. [Letter from Spitzer to LP February 18, 1950] [Filed under LP Biographical: (Political Issues: Ralph Spitzer: Academic Freedom and Passport Issues, 1942-1994), Box #2.034, Folder #34.2]
• Letter from LP to San-ichiro Mizushima, Chemical Institute, Tokyo University, RE: Tells him that the configuration Mizushima found has been considered by his colleagues and him, but they have no evidence to support that it exists in nature. [Letter from Mizushima to LP January 28, 1950] [Filed under LP Correspondence: (Mizushima, S.), #248.6]
• Letter from Reuben E. Wood, Department of Chemistry, George Washington University, to LP RE: Thanks LP and Oliver Wulf for their considerations. Informs them that he is not yet ready to present his studies. [Letter from LP to Wood February 2, 1950] [Filed under LP Correspondence: (Wood, Reuben), #438.7]
• Memo from LP to E. W. Hughes requesting some library loans and a part-time librarian. [Filed under LP Biographical: Box #1.020, Folder #20.5]

• Bill from Athenaeum to LP for $19.02. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
• Bill from Bullock’s for $29.59. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
• Check from AHP to Linda Pauling for $25.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Check from AHP to Peter Pauling for $60.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Check from LP to Caltech Alumni Fund for $10.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Check from LP to Roland Maxwell for $26.50. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Check from LP to Southern California Section of American Chemical Society for $2.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Letter from Hannah Dorner, National Council of the Arts, Sciences, and Professions, to LP RE: Thanks LP for his contributions at their meeting and tells him that it was a great success. States that there has been a lot of interest in LP’s speech and that they are planning to distribute it widely in printed form. Tells LP they will send him some copies as soon as it is ready. Encloses mimeographed copies of his speech and other material from the meeting. States that they are cutting down LP’s speech to ten minutes so that it can be played on the radio and that a copy will be sent to LP as soon as it is prepared. Thanks LP for visiting New York to attend the meeting. [Letter from LP to Dorner February 16, 1950] [Filed under LP Speeches: 1950s.3]
• Note from LP to Montague Cleeves RE: Discusses her support for LP and his work. [Letter from LP to Cleeves March 6, 1950] [Filed under LP Correspondence: (C: Correspondence, 1950), #74.18]

• Check from LP to Kent Fifth Avenue for $27.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Letter from R.H. Turnbull to LP RE: Introduces himself and mentions some of their mutual friends. Discusses the traveling he did after his brother’s death and after his company was sold. Encloses a copy of his letter to Sir Shanti Bhatnagar concerning the atom and hydrogen bombs. Speaks of forming an international organization. Encloses a short history of his career and a supplementary statement. Discusses his influence in the United Kingdom. Gives LP the address of his brother in Los Angeles. [Filed under LP Personal Safe, Drawer #2, Folder #2.022]

• Application for a Grant-In-Aid, Federal Security Agency Public Health Service, project title: “X-Ray Diffraction Investigations of the Structure of Protein Molecules.” [Filed under LP Science: (United States Public Health Service: “X-Ray Diffraction Investigations of the Structure of Protein Molecules”, grant RG 1987, [changed to H-2143 (Chemistry 1950)], 1948-1958), Box #14.041, Folder #41.1]
• Check from AHP to Mary Brown for $40.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Check from LP to Addison-Wesley Press for $3.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, December 1948-November 1950; 1960-1962), Box #4.019, Folder #19.2]
• Letter from (Miss) Jule T. Bouchard, Secretary of the Committee for Peaceful Alternatives to the Atlantic Pact, to LP RE: Thanks him for his contribution to their meeting on the 13th. Encloses a draft of a Call to the Mid-Century Conference for Peace and the initiating sponsors letter. Asks if he prefers that the Conference be in Chicago or Washington, D.C. Discusses other conferences for peace that have recently been initiated and explains that this conference will cut across lines of religion, profession, political creed, etc. and hopes to include leaders of peace organizations, churches, and small community organizations. Lists the men who they are asking to join LP in initiating the Conference. Asks LP to sign and return the enclosed card. Handwritten note by LP: “Albert Einstein + one other founded it. Thomas Mann Rev. Edgar Dahlberg of Syracuse.” [Filed under LP Personal Safe, Drawer #1, Folder #1.032]
• Letter from Alden H. Emery, Executive Secretary, American Chemical Society, to Dr. E. H. Volviler, Dr. L. W. Bass, Professor M. A. Lauffer, LP, and Dr. R. G. Roblin, RE: Writes that at the recent Board of Directors meeting, it was decided a committee should be formed to define the proper scope of papers dealing with chemotherapy to be presented at ACS meetings, and Charles Allen Thomas has appointed the recipients of this letter to the committee. [Letter from LP to Emery March 3, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.1]
• Letter from Dr. Paul C. Zamecnik, Massachusetts General Hospital to LP RE: Sends him $400 reimbursement for his trip to participate in the Scientific Advisory Committee and requests that if that does not cover the amount, LP notify the hospital. Informs him they have broken ground on their new research building. [Letter from LP to Dr. Zamecnik March 6, 1950] [Filed under LP Science: (Massachusetts General Hospital - Scientific Advisory Committee, 1949-1957), Box #15.008, Folder #8.2]
• Letter from E. Clarence Oden, Chairman- Elect and Program Chairman, Southwest Louisiana Section, American Chemical Society, RE: Writes that they are looking forward to having LP speak on “The Structure and Stability of Inorganic Complexes” at the informal dinner meeting at the Majestic Hotel, which is the same hotel where reservations have been made for LP and AHP. The audience will consist of chemists and chemical engineers from oil refineries, alkali plants, rubber plants, naval stores, and small college professors. Suggests LP contact the room clerk at the Majestic Hotel when he arrives and then to contact Mr. Oden or Mr. Robert Rice. [Letter from Wulf to Oden March 16, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.2]
• Letter from Florence Chesse, W. H. Freeman & Co., to LP RE: Informs him that they are having composition done on Appendix 1 and Appendix 2 of College Chemistry. [Letter from LP to Chesse February 20, 1950] [Filed under LP Books: 1950b.2]
• Letter from Florence Chesse, W. H. Freeman & Co., to LP RE: Requests that LP return engravers proofs of Roger Hayward’s drawings to save time. [Filed under LP Books: 1950b.2]
• Letter from Florence S. Chesse, W. H. Freeman & Co., RE: Informs that the first galleys of College Chemistry have arrived. Suggests that LP return proofs to W. H. Freeman and Co. Says Hayward’s new drawing for College Chemistry has been forwarded to the photoengraver. [Filed under LP Books: 1950b.2]
• Letter from George E. Burch, School of Medicine, Tulane University, to LP RE: Inquires if LP wants him to continue sending samples of sickle cell blood. [Letter from LP to Burch March 10, 1950] [Filed under LP Correspondence: (Burch, George E.), #33.8]
• Letter from Henry Allen Moe, John Simon Guggenheim Memorial Foundation to Dr. Richard Lippman, Institute for Medical Research, Cedars of Lebanon Hospital, cc: LP RE: Seeks clarification of his application, encourages him to meet with LP to discuss it. [Filed under LP Science: (John Simon Guggenheim Memorial Foundation, 1946-1952), Box #14.014, Folder #14.5]
• Letter from P. Quintanilla to LP RE: Writes that he and his wife were sorry to hear that LP would not be in Mexico as originally planned, and congratulates him on his recent statement made several days ago. [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.1]
• Letter from President A. W. Trueman, University of New Brunswick, to LP RE: Informs LP that the Senate of the University of New Brunswick voted to offer LP a degree of LL.D. (Honoris Causa) to be presented to him in correlation with the university’s 150th Anniversary. Tells LP that if he is unable to make the trip that the degree will be granted to him in his absence. [Filed under LP Honors and Awards: 1950h.3]
• Letter from W. Trzebiatowski, Professor of Inorganic Chemistry, Wroclaw University, to LP RE: Asks if he could visit LP to discuss his methods of teaching modern inorganic chemistry and see the laboratory. [Letter from LP to Trzebiatowski March 24, 1950] [Filed under LP Correspondence: (T: Correspondence, 1950), #410.15]
• Letter from William M. Dow, Program Chairman, to LP RE: Writes that they are looking forward to his lecture on “The Structure of Antibodies and the Nature of Serological Reactions” as the topic for their informal dinner meeting, which is scheduled to start at 7pm. The audience will consist of chemists, chemical engineers from oil and gas companies, local college teaching staff, and invited guests from the medical profession. Also writes that hotel reservations have been made in LP’s name at the Washington-Youree Hotel. Asks LP to call when he arrives, and says that he will be glad to make any further arrangements for LP and AHP while they are in Shreveport. [Letter from LP to Dow March 6, 1950] [Filed under LP Science: (American Chemical Society: Correspondence, 1950-1964), Box #14.006, Folder #6.2]
• Telegram from William B. Esterman to LP RE: Sends birthday greetings from LP’s friends in the Independent Progressive Party of Altadena and Pasadena, and thanks him for contributing to world peace efforts. [Filed under LP Correspondence: ( I: Correspondence, 1950) #185.11]

• Bill from Jud. R. Scholtz, M.D. and Craig Williamson, M.D. to LP for $19.00. Handwritten note indicates that it was paid by AHP on March 15th. [Filed under LP Biographical: Business and Financial: (Assorted Bills, Receipts and Invoices, 1945-1950.), Box #4.059, Folder #59.3]
• Letter from Florence Chesse to LP questioning a statement in the book about breathing pure oxygen. [Letter from LP to Chesse March 2, 1950] [Filed under LP Books: 1950b.2]
• Letter from Otto Beeck, Shell Development Corp., to LP RE: Asks for LP’s opinion on some prospective employees. Encloses a memo on the dissociation energy of cyanogen. [Filed under LP Correspondence: (B: Correspondence, 1950), #37.17]
• Letter from W. H. Freeman to Dr. Hackerman, cc. LP RE: Asks him to be patient with the publishing of his manuscript. [Letter from Freeman to LP March 3, 1950] [Filed under LP Correspondence: (W. H. Freeman and Company, 1950), #439.8]
• Telegram from Edward Mosk to LP RE: On behalf of the Executive Board of the Progressive Party, sends LP a cordial birthday greeting and thanks him for his contribution to world peace. [Filed under LP Correspondence: (M: Correspondence, 1950), #256.1]
• Telegram from Howard Koch and David Riboson to LP RE: Wishes LP a happy birthday. [Filed under LP Correspondence: (S: Correspondence, 1950), #378.4]
• Telegram from the Crescenta Canada Democratic Club to LP RE: Wishes LP a happy birthday. [Filed under LP Correspondence: (C: Correspondence, 1950), #74.18]