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• Itinerary for LP and AHP, May 30-July 4, 1956, H.R. Bennett Travel Agency. [Filed under LP Speeches: 1956s.25]
• Itinerary: for LP and AHP trip to London, Rome, Helsinki, and Copenhagen, May 30 - July 4, 1956. [Filed under AHP: Travel Diaries and Itineraries, 1926, 1949-1974, 1981, No Date: Box #3.008, Folder #8.2]
• Newspaper Clipping: "Biochemist Seen Aiding Mind Ills," New York Times, May 1956. [Filed under LP Biographical: LP Scrapbooks, 1956-1960: Box #6.007, Folder #7.12]
• Newspaper Clipping: "Pauling Ties Mental Ills to Molecule," News-Gazette, May 1956. [Filed under LP Biographical: LP Scrapbooks, 1956-1960: Box #6.007, Folder #7.12]
• Note from Marta Vargas to Beatrice Wulf, Secretary to LP, RE: Confirms arrangements for her visit to Pasadena. [Letter from Beatrice Wulf to Marta Vargas May 4, 1956] [Filed under LP Correspondence: (V: Correspondence, 1956), #427.16]
• Note from Phoebe Evans to "Secretary to" RE: References article in the New York Times and discusses her opinions on it and asks if he could advise her where to go to find more information. [Letter from Executive Secretary to Evans May 8, 1956] [Filed under LP Science: Box #11.089, Folder #89.6]
• Pamphlet: "The Abnormal Human Hemoglobins", by Harvey A Itano, William R. Bergren, and Phillip Sturgeon. [Filed under LP Science: Box #6.009, Folder #9.2]
• Pamplet: "LEDC News" [Filed under LP Science: Box #11.088, Folder #88.13]
• Report: "Agglutination of Sensitized Red Cells by Large Anisometric Molecules," by James H. Jandl and William B. Castle, The Journal of Laboratory and Clinical Medicine, May 1956. [Filed under LP Science: Helen Hay Whitney Foundation-Scientific Advisory Committee: Postdoctoral Biomedical Research Fellowship Applicants, 1956-1957: Box #15.005, Folder #5.2]

• Check from AHP to Illini Union for $100.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1]
• Itinerary: University of Illinois; 4 PM lecture "Structure of Antibodies" [Filed under LP Travel: Box #1.002, Folder #2.2]
• Itinerary: leave Urbana for Chicago (after lecture); reservation at the Morrison Hotel [Filed under LP Travel: Box #1.002, Folder #2.2]
• Letter from Marjorie Hill, D. C. Heath and Company, to LP RE: Asks for LP's permission to use a specific photograph of him and descriptive paragraph on a poster of Nobel Prize Winners in Chemistry for high school classrooms. [Letter from LP to Hill May 14, 1956] [Filed under LP Correspondence: (H: Correspondence, 1956), #167.1]
• Newspaper Clipping: "Hybrid Virus Discovery Called Immunization Aid," Chicago Sun-Times, May 1, 1956. [Filed under LP Biographical: LP Scrapbooks, 1956-1960: Box #6.007, Folder #7.11]
• Note from Marta Vargas to LP RE: Discusses details of her coming visit to Pasadena. [Letters from Wulf to Vargas April 24, 1956, May 4, 1956] [Filed under LP Correspondence: (V: Correspondence, 1956), #427.16]
• Receipt from Morrison Hotel (Chicago) to LP for $28.95. [Filed under LP Biographical: Business and Financial: Tax Documents, 1930-1956: Box #4.001, Folder #1.9]
• Speech: "The Structure of Antibodies and the Nature of Serological Reactions," 4 PM, East Chemistry Building, University of Illinois, George A. Miller Lectures in Chemistry. [Filed under LP Speeches: 1956s.11]

• Ch 1c Freshman Chemistry Schedule. Lecture Topic: Spec. Lect. (H. Brown), Homework: Ch 27 Prob 26 - 17,24, 27 - 7,22,24, Laboratory: Al-Cr elements. [Filed under LP Biographical: Academia: Box #1.014, Folder #14.10]
• Itinerary [handwritten]: American Psychiatric Association, Chicago [Filed under LP Travel: Box #1.002, Folder #2.2]
• Itinerary: American Psychiatric Association, Morrison Hotel; 10:30 AM talk "Molecular Basis of Genetics" (Part of symposium on Recent Progress in Genetics and Its Implication in Psychiatric Theory) [Filed under LP Travel: Box #1.002, Folder #2.2]
• Letter from G. Bernardini to LP RE: A book on Avogadro's papers from Italy. [Letter from LP to Bernardini May 30, 1956] [Filed under LP Correspondence: (B: Correspondence, 1956), #38.2]
• Letter from Philip Isely to LP RE: Suggests filing an injunction against the government in an effort to stop the atomic bomb tests. Outlines the different arguments that could be used as a reason to file, including that the tests are harmful to people and the tests violate private property rights. Encloses a copy of an article from a journal that he is trying to get started. [Letter from LP to Isely June 5, 1957] [Filed under LP Correspondence: (I: Correspondence, 1956), #185.17]
• Newspaper Clipping: "Nobel Prize Winner Tells Research Plan," Publication Unknown, May 2, 1956. [Filed under LP Newspaper Clippings: 1956n.4]
• Newspaper Clipping: "Predicts Conquest of Feeble-Mindedness," Publication Unknown, May 2, 1956. [Filed under LP Biographical: LP Scrapbooks, 1956-1960: Box #6.007, Folder #7.15]
• Typescript: "The Molecular Basis of Genetics," Presented at the American Psychiatric Association Symposium, Chicago, Illinois. [Filed under LP Speeches: 1956s.20] [Also filed under LP Manuscripts of Articles: 1956a.5]

• Itinerary: University of Illinois; 4 PM lecture "Intermolecular Forces" [Filed under LP Travel: Box #1.002, Folder #2.2]
• Itinerary: return to Urbana [Filed under LP Travel: Box #1.002, Folder #2.2]
• Letter from Eric Sandahl, Children Limited, to LP RE: Requests the text of LP's talk before the meeting of the American Psychiatric Association on May 2 and requests further details on his research of phenylpyruvic oligophrenia. [Letter from LP to Sandahl June 5, 1956] [Filed under LP Correspondence: (American Psychiatric Association), #11.11]
• Letter from H. Bloom, University of Pennsylvania, to LP RE: Asks is he could visit LP and see his research laboratories while in Pasadena in October. [Letter from LP to Bloom May 8, 1956] [Filed under LP Correspondence: (B: Correspondence, 1956), #38.2]
• Letter from J. I. Fernández Alonso, University of Valencia, to LP RE: Discusses the manuscript on the chlorides of phosphorus and notes the benefit of having LP's name on the work. [Letter from LP to Alonso June 5, 1956] [Filed under LP Correspondence: (F: Correspondence, 1956), #128.21]
• Newspaper Clipping: "Biochemist Seen Aiding Mind Ills," New York Times, May 3, 1956. [Filed under LP Newspaper Clippings: 1956n.6]
• Newspaper Clipping: "Sees Delay in Drug for Mental Ills," New York Herald Tribune, May 3, 1956. [Filed under LP Newspaper Clippings: 1956n.5]
• Note from Brahma Datta Sharma, University of Southern California, to LP RE: Explains his education background and current research works. Requests to meet LP. [Letter from LP to Sharma June 5, 1956] [Filed under LP Correspondence: (S: Correspondence, 1956), #379.4]
• Speech: "Intermolecular Forces," 4:45 PM, Physics Laboratory, University of Illinois, George A. Miller Lectures in Chemistry. [Filed under LP Speeches: 1956s.11]

• Check from LP to Dr. Maurizio Gianturco for $100.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1]
• Itinerary: University of Illinois; 4 PM lecture "Molecular Structure and Biological Specificity" [Filed under LP Travel: Box #1.002, Folder #2.2]
• Letter from A.T. Drury, Office of Naval Research to LP RE: Informs LP that his laboratory was erroneously deleted from the distribution list for the "Research Reviews" and apologizes. His name has been restored to the list. Encloses the March and April issues. [Letter from Executive Secretary to Metsger April 24, 1956] [Filed under LP Science: Office of Naval Research: Correspondence, Contract Status Reports and Project Status Reports, 1947-1962): Box #14.031, Folder #31.2]
• Letter from B. Caminita for Leo A. Shinn, Office of Naval Research to LP and Dr. Robert B. Corey RE: Informs them that their proposal for additional funds to increase the level of activity under Contract Nonr-220(05) has been approved by the Biological Sciences Division and has been forwarded to the Contract division for negotiation. Handwritten notes on letter from Beatrice Wulf. [Letter from LP to Shinn May 17, 1956] [Filed under LP Science: Office of Naval Research: Correspondence, Memoranda, Notes and Assorted Materials re: "The Structure and Properties of Proteins and Synthetic Polypeptides," Contract Nonr 220(05) (Chemistry 32), 1951-1963: Box #14.032, Folder #32.2]
• Letter from Beatrice Wulf, Secretary to LP, to Marta Vargas RE: Discusses lodging options for Vargas during her visit to Pasadena. [Note from Vargas to LP May 1, 1956, Note from Vargas to Wulf May 1956] [Filed under LP Correspondence: (V: Correspondence, 1956), #427.16]
• Letter from Bruce Benson, Associate Professor of Physics, Amherst College to LP, RE: Expresses appreciation for LP's varied participation in the life of the college. Amherst College looks forward to LP's next visit. [Filed under LP Biographical: Business and Financial: Tax Documents, 1930-1956: Box #4.001, Folder #1.10]
• Letter from Bruce C. Fuller to LP RE: Requests information or material on LP's speeches or lectures on his theory of chemical deficiency as a primary cause of mental illness. [Letter from LP to Fuller May 16, 1956] [Filed under LP Correspondence: (F: Correspondence, 1956), #128.21]
• Letter from Hudson Hoagland, Worchester Foundation for Experimental Biology, to LP RE: Invites LP to be a guest a conference on neuropharmacology held by the Josiah Macy, Jr. Foundation. Briefly discusses details of the conference. [Letter from LP to Hoagland May 11, 1956] [Filed under LP Correspondence: (H: Correspondence, 1956), #167.1]
• Letter from J. Monteath Robertson, University of Glasgow, to LP RE: Thanks LP for his Nobel Lecture on modern structural chemistry. [Filed under LP Correspondence: (Roberts, J. Monteath), #330.7]
• Letter from Paul A. Beck, University of Illinois, to LP RE: Asks for reprints of LP's metals papers. [Letter from Beck to LP May 29, 1956] [Filed under LP Correspondence: (B: Correspondence, 1956), #38.2]
• Note from Mrs. Claire Connor to LP RE: Writes in response to the annual meeting of the APA and article in the Tribune to ask what she may do to help her mentally retarded child. [Letter from LP to Connor June 6, 1956] [Filed under LP Science: Box #11.089, Folder #89.6]
• Speech: "Molecular Structure and Biological Specificity," 4 PM, East Chemistry Building, University of Illinois, George A. Miller Lectures in Chemistry. [Filed under LP Speeches: 1956s.11]

• Itinerary: leave Urbana by train, arrive in Kansas City at 3:20 PM; drive to Lawrence, Kansas [Filed under LP Travel: Box #1.002, Folder #2.2]
• Letter from A.B. Metsger, Captain, USN, Office of Naval Research to Sir RE: Must eliminate LP's name from the free distribution list for the Office of Naval Research monthly Research Review because he is no longer listed as having a contract with the Navy. Provides information to subscribe to the reviews. [Letter from Executive Secretary to Metsger April 24, 1956] [Filed under LP Science: Office of Naval Research: Correspondence, Contract Status Reports and Project Status Reports, 1947-1962: Box #14.031, Folder #31.2]
• Letter from Dr. Leo Criep to LP RE: Invites him to participate in the annual meeting of the American Academy of Allergy, discussing Immunology of Allergy in a pre-meeting postgraduate review. [Letter from LP to Criep May 10, 1956] [Filed under LP Speeches: 1957s.4]
• Newspaper Clipping: "Cure for Schizophrenia?" Washington Star, May 5, 1956. [Filed under LP Biographical: LP Scrapbooks, 1956-1960: Box #6.007, Folder #7.10]

• Check from LP to Illini Union for $60.90. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: box #4.024, Folder #24.1]

• Ch 1c Freshman Chemistry Schedule. Lecture Topic: Ch. 33, Homework: Prob. 33 - 2,3,4,5,11,12,15, Laboratory: General unknown solid substance. [Filed under LP Biographical: Academia: Box #1.014, Folder #14.10]
• Expense reimbursement: ONR trip in October 1955, NY, Philadelphia, DC $384.09 [Filed under LP Travel: Box #1.002, Folder #2.1]
• Itinerary [handwritten]: E.C. Franklin Memorial Lecture, Lawrence, Kansas [Filed under LP Travel: Box #1.002, Folder #2.2]
• Itinerary: Lawrence, Kansas: E.C. Franklin Memorial Lecture, Structure of Proteins; Dinner at 6 PM; lecture at 8 PM [Filed under LP Travel: Box #1.002, Folder #2.2]
• Letter from Crellin Pauling to AHP. [Filed under LP Biographical: Box #5.048, Folder #48.5]

  Monday evening (May 7, 56)

  Dear Mom:

  I probably will have telephoned you before you get this, but I undoubtably [sic] will forget something, so will write anyway. I have quite a bit to say.

  Mikado was last weekend, final performance last night. It was just wonderful. Excellent reviews in the papers, on Saturday evening they packed 800 people in Botsford, and still had to turn about 100 away. It was a lot of fun, well worth the two months of hard work. I, unfortunately, have come down with a cold, which I babied all weekend, so that I could sing. I spent the whole weekend in bed, except to go to performances, and the cast party last night, and I spent today in bed.

  Do you remember when we talked to young Richard Morgan about Reed? Well, I'm sure that you will be pleased to learn that he was here last weekend, and that he has been awarded a Baker scholarship, which is full tuition, room and board for the full four years. I was very pleased that he got the scholarship, as I am sure that he deserves it.

  David Wailes wrote me a few days ago that he and this girl Adrienne are going to be married this June. Well, I do not feel that this is the wisest thing for him to do, but I am not going to say anything, and I certainly hope that they will be happy. They have asked me to usher at their wedding, and I unhesitatingly accepted. I cannot decide what to get them for a gift, I feel that David, at any rate, is close enough friend that I ought to get them something rather nice, perhaps a glass cream and sugar set. What do you think?

  Lucy and I are getting along rather well. [...]

  We are driving down with a girl named Kit Crosby in her 1954 Chevrolet station wagon, probably leave here sometime on Saturday, 2 June. And should, therefore, arrive name sometime on Sunday, the Third. We may show up in the middle of the night, so you might warn whoever is in the house that if they hear someone around then it is only me. Kit wants to make a relatively quick trip, but doesn't want to drive too fast, so don't worry about that. Her car is in good condition, I have driven it a bit, and I am sure that it is safe. I will probably do the brunt of the driving, as usual.

  What sort of arrangements do you plan to make with me and the Harneds? Especially financial. Also what about having dinner guests, both male and female. Do the Harneds mind my drinking beer? Please let me know about these matters, if you want leave a letter at home, so that I know what you have told them about how to take care of me.

  My gramophone doesn't work any too well. I may purchase some equipment when I get home, and use it on your system during the summer. What do you plan to do about an amplifier. I am going to see if I can scrape up one for the summer, borrow it, or something. What about Peter's stuff in the garage? Do you think I could rationalize selling selected pieces, and then reinvesting in modern hi-fidelity equipment?

  Also, I am going to wait until after my birthday, then may ask Linus to purchase me a Volkswagen, or MG, or something. However, I want to make sure that this is amenable to you before I do it.

  I have somewhat decided not to become a chemist. However, I am unable to decide what to do. I think that next year I will take a good number of liberal arts courses, and see how I feel then. Perhaps it is a mistake, I don't know, anyway I don't have to decide what I am going to take until September.

  I was looking through the art studio the other day with Lucy, and I came across a bust that looked quite familiar, so I asked Manuel, the art instructor, who the model was, and sure enough, 'twas my sister. I am thinking of trying to get hold of it. It hasn't been finished, and I don't know what they plan to do with it, but I think it is worth getting hold of.

  Well, enough. Love and Kisses,

  Crellin

• Letter from Dr. Ralph L. Shriner, Chemistry Dept., State University of Iowa, to LP RE: Thanks LP for delivering the lecture on protein structure at the State University of Iowa. [Letter from Shriner to LP March 14, 1956, Letter from LP to Shriner May 15, 1956] [Filed under LP Speeches: 1956s.13]
• Letter from Harry Brandman to LP RE: Compliments LP on his speech at the May 2 American Psychiatric Association Convention and requests a reprint of the speech. [Letter from LP to Brandman June 6, 1956] [Filed under LP Correspondence: (American Psychiatric Association), #11.11]
• Newspaper Clipping: "Nobel Prize Winner to Speak Tonight," University Daily Kansan, (University of Kansas?) May 7, 1956. [Filed under LP Biographical: LP Scrapbooks, 1956-1960: Box #6.007, Folder #7.11]

• Check from AHP to Mira Loma Mutual Water Company for $15.06. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Itinerary: leave Lawrence for Kansas City, arrive in Los Angeles at 7:32 PM [Filed under LP Travel: Box #1.002, Folder #2.2]
• Letter from Frances Ocon Agresta to LP RE: Discusses the article in New York Times and her daughter who is mentally retarded as well as their family situation. Asks if he would try any of his methods on her daughter. [Letter from LP to Agresta June 5, 1956] [Filed under LP Science: Box #11.089, Folder #89.6]
• Letter from John Thomas Cleary to LP RE: An article in the New York Times about a method of rectifying genetic fault through the use of organic chemical substances. Cites an experiment from Stanford University concerning the evaluation of the "furan." [Letter from LP to Cleary June 6, 1956] [Filed under LP Correspondence: (American Psychiatric Association), #11.11]
• Letter from John W. Tietz to LP RE: Requests a press release or reprint of LP's remarks at the May 2 American Psychiatric Association Convention. [Letter from LP to Tietz June 6, 1956] [Filed under LP Correspondence: (American Psychiatric Association), #11.11]
• Letter from LP to H. Bloom, University of Pennsylvania, RE: Says he expects to see Bloom when Bloom visits Pasadena in October. [Letter from Bloom to LP May 3, 1956] [Filed under LP Correspondence: (B: Correspondence, 1956), #38.2]
• Letter from R. T. Sanderson, State University of Iowa, to LP RE: Inquires about LP's opinion of the grouping systems in the periodic table. Discusses his opinion on the matter and encloses a related article. [Letter from LP to Sanderson May 15, 1956] [Filed under LP Correspondence: (S: Correspondence, 1956), #379.4]
• Letter from Ray T. Bayless, Assistant Secretary, American Society of Metals, to LP RE: Volume 48-A of The Transactions will soon be off the press; will soon send LP copies of his paper. Since the printers would like to destroy the type, would like to know whether LP would like additional reprints. [Letter from Bayless to LP March 19, 1956, Letter from Wulf to Bayless May 11, 1956] [Filed under LP Manuscripts of Articles: 1956a.3]
• Letter from Secretary to LP, to Mrs. Alexander Evans, RE: States LP is just beginning a program that may contribute to knowledge about mental illness. Apologizes that no information can be sent. [Letter to "Secretary to" from Evans 5-[?]-56] [Filed under LP Science: Box #11.089, Folder #89.6]
• Letter from Zigmond M. Lebensohn to LP RE: Requests a paper covering LP's remarks at the May 2 American Psychiatric Association Convention for publication in The American Journal of Psychiatry. [Letter from LP to Lebensohn May 10, 1956, Letter from LP to Davies May 10, 1956] [Filed under LP Correspondence: (American Psychiatric Association), #11.11]
• Newspaper Clipping: "Corliss Lamont to Speak in L.A.," Pasadena (California) Star-News, May 8, 1956. [Filed under LP Biographical: LP Scrapbooks, 1956-1960: Box #6.007, Folder #7.11]

• Ch 1c Freshman Chemistry Schedule. Lecture Topic: Ch 28, Homework: Prob. 33 - 2,3,4,5,11,12,15, Laboratory: General unknown solid substance. [Filed under LP Biographical: Academia: Box #1.014, Folder #14.10]
• Check from AHP to American Association for the United Nations for $3.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Check from AHP to Athenaeum for $4.80. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Check from AHP to Central Committee for Conscientious Objectors for $5.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Check from AHP to District Director of Internal Revenue for $36.90. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1]
• Check from AHP to McMillan Coffee Company for $2.92. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Check from AHP to National Audubon Society for $5.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1]
• Check from AHP to Newlin's for $27.50. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Check from AHP to Richfield Oil Corporation for $5.85. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Check from AHP to Southern California Edison Company for $27.81. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Check from AHP to Southern Counties Gas Company for $23.17. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Check from AHP to Standard Oil Company for $19.11. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Letter from David Dietz of Scripps-Howard Newspapers to LP RE: Mentions a column he wrote on LP's remarks in Chicago that was published in the Cleveland Press. [Letter from LP to David Dietz May 16, 1956] [Filed under LP Correspondence: (D: Correspondence, 1956), #98.21].
• Letter from Dr. Jacob Kleinberg, Chemistry Dept., University of Kansas, to LP RE: Thanks LP and AHP for their visit. Thanks LP for the generously giving his time and for the impact he had on their students. [Letter from LP to Jacob Kleinberg April 23, 1956, Letter from LP to Jacob Kleinberg May 15, 1956] [Filed under LP Speeches: 1956s.22]
• Letter from Edward B. Maybeck of The Chase Manhattan Bank to LP RE: Expresses interest in LP's remarks before the American Psychiatric Association and requests a copy of the talk. [Letter from LP to Edward B. Maybeck May 15, 1956] [Filed under LP Correspondence: (M: Correspondence, 1956), #257.1]
• Letter from J. A. Prins to LP RE: Discusses his work on amorphous and fibrous sulfur. Asks for LP's opinions on the work and on other scientific matters. Explains his plans to visit Pasadena in September. [Letter from LP to J. A. Prins May 17, 1956] [Filed under LP Correspondence: (P: Correspondence, 1956), #313.4]
• Letter from LP to Peter Pauling. [Filed under LP Biographical: Box #5.042, Folder #42.3]

  9 May 1956

  Dear Peter:

  I enclose a letter offering you appointment as Research Assistant in Chemistry during the coming year. The salary, %4500. per year, is our customary salary to a man who has just received his Ph.D. degree, and has been offered appointment as Research Fellow in Chemistry. I think that your experience during four years of work after the bachelor's degree justifies your appointment with this salary. In general we give the title Research Assistant in Chemistry to people who have not received the Ph.D. degree, although there have been some exceptions made. For example, we have a man with a doctor's degree here now as Research Assistant in Chemistry.

  Howard Dintzis has accepted the appointment here. Professor Corey and I had given him up, because of his delay in answering, but our funds will stretch enough to cover his salary. He said in his letter that he had been trying to get an appointment that would permit him to make an independent attack on the problem of determining the structure of crystalline globular proteins, but had not succeeded, and that he thought that it might be worth while for him to get more experience, anyway.

  I have not told him, nor other people away from Pasadena, what the method of attack is that we have worked out. It should be successful. At any rate, I should be surprised if it were to fail, after several years of effort have been put in on it. It is evident that the job is a hard one.

  Mama and I got home last night, about 9 o'clock.

  Much love to you and Julia.

  Sincerely,

  [Linus Pauling]

• Letter from LP to Peter Pauling. [Filed under LP Biographical: Box #5.042, Folder #42.3]

  9 May 1956

  Mr. Peter J. Pauling

  182 Broomwood Road

  London, S.W. 11 England

  Dear Peter:

  I am writing to offer you appointment as Research Assistant in Chemistry, for one year, beginning 1 July 1956 or at a later time during the summer of 1956, with salary at the rate of $4500. per year.

  Your duties under this appointment would consist in assisting in a research project on the determination of the structure of crystalline globular proteins by x-ray diffraction techniques. This investigation is related to many problems in biology and medicine. I hope that in the course of the work studies can be made on abnormal protein molecules that are responsible for molecular diseases, such as the hereditary hemolytic anemias and some types of mental deficiency.

  The work is supported from several sources, including grants from or contracts with the National Science Foundation, The Rockefeller Foundation, the Public Health Service of the United States, and the Office of Naval Research.

  My colleagues and I feel that the training and experience that you have had in the field of x-ray diffraction of crystalline globular proteins will be valuable in this work, and we are looking forward to having you as a collaborator.

  Sincerely yours,

  [Linus Pauling]

• Letter from Professor Fred T. Wall, William Albert Noyes Laboratory, Chemistry and Chemical Engineering Dept., University of Illinois, to LP RE: Thanks LP for speaking as the first George A. Miller Lecturer in Chemistry at the University of Illinois. LP's talks were well-received by the members of many fields. Appreciated LP's emphasis on the interrelatedness of the sciences through molecular structure. Delighted to have LP at Illinois as a scientist and as a friend. [Letter from Beatrice Wulf to Fred T. Wall March 27, 1956, Letter from LP to Fred T. Wall May 15, 1956] [Filed under LP Speeches: 1956s.11]
• Letter from W.H. Freeman of W.H. Freeman and Company to LP RE: Inquires about details of the preparation and publication of a chemical thermodynamics based on Dickinson's notes. Note on lower left: "Prof Badger: What do you say?" [Letter from W.H. Freeman to LP April 11, 1956, Memo from R. M. Badger to LP April 21, 1956] [Filed under LP Correspondence: (W.H. Freeman and Company, 1956), #439.14]

• Check from AHP to Adohr Milk for $2.69. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Check from AHP to Families of the Smith Act Victims for $10.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Check from AHP to Good Foods for $25.23. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1]
• Check from AHP to Herman Keller for $8.80. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Check from AHP to I.C. Cureton, Manager Coast Disposal Company for $2.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Letter from Dr. Richard W. Lippman, Chairman, Scientific Advisory Council, The National Nephrosis Foundation, Inc., to LP RE: Informs LP that the next meeting of the Scientific Advisory Council for the Los Angeles Chapter, National Nephrosis Foundation will be on 24 May at noon. Includes meeting agenda. [LP Science: National Nephrosis Foundation, Inc., 1954-1958: Box #14.026, Folder #26.1]
• Letter from Joseph O. Hirschfelder of The University of Wisconsin to LP RE: Refers to a letter sent by LP in 1937 stating a rule for determining an atom's kinetic theory diameter. Asks if LP had it published somewhere so that Hirschfelder might refer to it. [Letter from LP to Joseph O. Hirschfelder May 16, 1956] [Filed under LP Correspondence: (Hirschfelder, Joseph O.), #159.8]
• Letter from LP to Austin M. Davies of the American Psychiatric Association RE: Statement of expenses from LP's talk before the American Psychiatric Association on May 2, 1956. [Letter from Zigmond M. Lebenson to LP May 8, 1956] [Filed under LP Correspondence: (American Psychiatric Association), #11.11]
• Letter from LP to Dr. Leo Criep RE: Accepts his invitation to participate in the annual meeting of the American Academy of Allergy. Handwritten notes in right margin discuss meeting information. [Letter from Dr. Criep to LP May 5, 1956, Letter from S.B. Palmer to LP December 11, 1956] [Filed under LP Speeches: 1957s.4]
• Letter from LP to Dr. R.S. Schreiber, Vice President & Director of Research, The Upjohn Company RE: States there is no one to recommend for a position as an investigator in physical biochemistry this year but there are two young men he could probably recommend by February or March of 1957. [Letter from Dr. Schreiber to LP April 6, 1956, Letter from Dr. Johnson to LP February 19, 1957] [Filed under LP Correspondence: (J: Correspondence, 1957), #192.23]
• Letter from LP to Herbert T. Rosenfeld RE: Accepts Rosenfeld's invitation for him and his wife to be guests at dinner with Dr. Lamont on April 16. [Letter from LP to Herbert T. Rosenfeld April 16, 1956] [Filed under LP Correspondence: (Rosenfeld, Herbert T.), #336.2]
• Letter from LP to Leonard J. Duhl of the National Institute of Mental Health. [Letter from Leonard Duhl to LP April 18, 1956, Letter from Leonard Duhl to LP May 16, 1956] [Filed under LP Correspondence: (D: Correspondence, 1956), #98.21]

  10 May 1956

  Dr. Leonard J. Duhl

  Professional Services Branch

  National Institute of Mental Health

  National Institutes of Health

  Bethesda 14, Maryland

  Dear Dr. Duhl:

  I apologize for the delay in answering your letter of 18 April. It arrived in Pasadena just after I had left for Illinois, and I did not see it until my return yesterday.

  I have no objection to the statement about my plans made on pages 11 and 12 of your letter, especially since I received a letter about two weeks ago from the Ford Foundation saying that the staff of the Foundation would recommend to the traustees that a grant for support of the work for a five-year period be made to the California Institute of Technology. We are accordingly moving along rapidly in preparing for a moderately intensive series of studies in this field.

  I am glad to have the manuscript of your talk. May I ask you to send a reprint of the paper, when it is published? Would you be able to put me down on a list of people receiving publications of the National Institute of Mental Health? I do not try to read the literature in this field, and I think that if I could get publications from you I would be helped in keeping up with the advance of knowledge.

  We have begun an investigation of the amino-acid sequences in the hemoglobin manufactured by phenylketonurics, without any positive results so far.

  Sincerely yours,

  Linus Pauling:W

• Letter from LP to Robert O. Schad of Henry Huntington Library RE: Thanks Schad for his assistance in finding information for a manuscript on Avogadro. [Letter from Robert O. Schad to LP April 26, 1956] [Filed under LP Correspondence: (S: Correspondence, 1956), #379.4]
• Letter from LP to William Skidmore, Yale Law School Forum, RE: Botshon had said that the fee would be $25 so there is no adjustment to be made. [Letter from William Skidmore to LP April 24, 1956] [Filed under LP Speeches: 1956s.17]
• Letter from LP to Zigmond M. Lebensohn RE: Announces his intent to prepare a short paper covering LP's remarks at the May 2 American Psychiatric Association Convention at Lebensohn's request. [Letter from Zigmond M. Lebensohn to LP May 8, 1956] [Filed under LP Correspondence: (American Psychiatric Association), #11.11]
• Note from J.J. Langlois to LP RE: States he read the New York Times and is writing because he has a mentally retarded Mongolian son. Asks if any hope exists for these children. [Letter from LP to Langlois June 6, 1956] [Filed under LP Science: Box #11.089, Folder #89.6]

• Letter from Beatrice Wulf, Secretary to LP, to Ray T. Bayless RE: Would like to order reprints of the article "Theory of Alloy Phases" depending on the number of free copies that will be provided. Would like to have a total of 200-250 copies. [Letter from Bayless to LP May 8, 1956, Letter from Bayless to Beatrice Wulf May 16, 1956] [Filed under LP Manuscripts of Articles: 1956a.3]
• Letter from Julia Pauling to Ava Helen Pauling. [Filed under LP Biographical: Personal & Family, Family Correspondence: family of Peter Pauling Box #5.047 Folder #47.2]

  Praia de Luz

  May 11^th

  Dear Professor and Mrs. Pauling,

  We have found our ideal fishing village. It is so wonderful, but not as deserted as we had planned. The people are very friendly, teasing and curious so we have company for about twenty hours out of twenty-four.

  Peter's foot and nose are burnt, his hair is shoulder length and he has a red beard, very picturesque. He goes fishing with the local police force while I do the laundry in the stream. I am not used to such hot sun but enjoy it in small doses. I fry horrible foods in the darkness for supper and Peter does the washing-up, by scouring with sand, at which I am incompetent.

  The caves in Northern Spain were very exciting, and Lisbon very beautiful, but it is pleasanter to be here by the sea. It is difficult to enjoy looking at cities when it is too hot.

  Love,

  Julia

• Letter from K. L. Sandefur of Midwest Research Institute to LP RE: Requests information on topics covered in LP's Franklin Lecture, "The Structure of Proteins," at University of Kansas. [Letter from LP to K. L. Sandefur May 17, 1956] [Filed under LP Correspondence: (S: Correspondence, 1956), #379.4]
• Letter from LP to Hudson Hoagland of the Worchester Foundation for Experimental Biology RE: Regrets that he cannot accept Hoagland's invitation to take part in a conference on neuropharmacology. [Letter from Hudson Hoagland to LP May 4, 1956] [Filed under LP Correspondence: (H: Correspondence, 1956), #167.1]
• Letter from LP to Lear Alexander RE: Says he is unable to accept Alexander's invitation to speak before the Bay Area Council of Sobell Committees Memorial Meeting on 22 June. [Letter from Lear Alexander to LP April 23, 1956] [Filed under LP Correspondence: (A: Correspondence, 1956), #12.22]
• Letter from Peter Pauling to Linus Pauling. [Filed under LP Biographical: Box #5.042, Folder #42.3]

  11 May 1945

  Praia de Luz of Logos

  Portugal

  Dear Mamma and Daddy,

  We are having a rather good time. We have stopped travelling for a few days to camp on the beach of a small fishing village of ~700 people, and it is very hot and rather nice. We swim often. The people are simple and very friendly; Julia is rapidly learning Portuguese. I hope we are not spending too much money, but I think it is worth it to have a little holiday and to be in the sun for a while.

  I have some crystals growing in London, but there is a good deal of work still to be done.

  We missed the lobster time in the fishing town that catches them, so have not really had any. It was too bad. We are leaving tomorrow for Spain, Marseille and Stuttgart, c/o the American Express Co. I hope to travel fairly quickly but it is quite a ways.

  Should I send the Porsche to you? I shall ship it from Germany. We shall be in London to meet you at the airport.

  We are sunburned and it is somewhat painful. It is nice though, after years of cloud in England.

  You can write to us, either at Marseille or Stuttgart, I expect, though we shall be in Marseille before a week, I hope. Perhaps least to Stuttgart. 46, Konig strasse.. [side: American Express]

  Camping is fairly difficult due to the high population densities. Most land is cultivated. Still we manage. I do not know how Linda is. OK, I suppose.

  Much love,

  XXXOOO Peter

• Letter from R.G. Grenell, University of Maryland to LP RE: Would like to set up a long-range program with LP to study the problems of the functional activity of nerve cells. [Letter from LP to Grenell May 16, 1956] [Filed under LP Science: John Simon Guggenheim Memorial Foundation, 1953-1975: Box #14.015, Folder #15.4]

• Check from AHP to California Legislative Conference for $1.50. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Check from AHP to Emergency Civil Liberties Committee for $10.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Check from AHP to Friends Committee on Legislation for $10.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1]
• Check from AHP to Iberica Publishing Company for $5.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Check from AHP to Spanish Refugee Aid Inc. for $10.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Letter from Bruce L. Hicks to LP RE: Says he enjoyed speaking with LP and listening to him speak. Explains that he will not apply for an Assistant Professor position at Caltech. [Filed under LP Correspondence: (H: Correspondence, 1956), #167.1]
• Letter from Pierre Van Rysselberghe, University of Oregon, to LP RE: Informs that he and a Mr. R. Piontelli will be visiting Caltech in June. [Letter from LP to Pierre Van Rysselberghe May 15, 1956] [Filed under LP Correspondence: (V: Correspondence, 1956), #427.16]

• Note from W. Thorsell of The University of Wisconsin RE: Discusses her past and current research. Proposes a visit to Caltech in June. [Letter from LP to W. Thorsell May 17, 1956] [Filed under LP Correspondence: (T:Correspondence, 1956), #411.1]

• Ch 1c Freshman Chemistry Schedule. Lecture Topic: Ch 28, Homework: Prob 28 - 1,2,4,8,9,10, Laboratory: General unknown solid substance. [Filed under LP Biographical: Academia: Box #1.014, Folder #14.10]
• Check from AHP to Alumni Association C.I.T. for $4.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Letter from LP to Dean, Graduate School, Harvard University, RE: Recommends Walter MacGinitie for acceptance to Harvard Graduate School and describes his credentials and intellectual capacity. [Letter from Walter H. MacGintie to LP April 30, 1956, Letter from LP to Walter H. MacGinitie May 14, 1956]
• Letter from LP to Dr. R.L. Sawyer, Director of Research, Texas Company, RE: Enjoyed his visit to Beacon Laboratories. [Letter from R.L. Sawyer to LP April 30, 1956] [Filed under LP Speeches: 1956s.18]
• Letter from LP to Gershon Vincow, student at Columbia University, RE: Responds to Vincow's inquiry about the nature of the double bond. [Note from Gershon Vincow to LP April 25, 1956] [Filed under LP Correspondence: (V: Correspondence, 1956), #427.16]
• Letter from LP to J. A. Whieldon RE: Thanks Whieldon for his recent letter. Informs that he has begun research on mental deficiency. [Letter from J. A. Whieldon to LP April 27, 1956] [Filed under LP Correspondence: (W: Correspondence, 1956), #444.4]
• Letter from LP to M. Bobtelsky, The Hebrew University, Jerusalem, RE: Recommends Dr. G. Stein for promotion to the rank of Associate Professor in Physical Chemistry. [Letters from M. Bobtelsky to LP April 30, 1956, June 20, 1956] [Filed under LP Correspondence: (B: Correspondence, 1956), #38.2]
• Letter from LP to Marjorie Hill, D. C. Heath and Company, RE: Gives permission to use his photograph on a poster of Nobel Prize Winners in Chemistry for use in high school classrooms. Asks for a copy of the finished poster. [Letter from Marjorie Hill to LP May 1, 1956] [Filed under LP Correspondence: (H: Correspondence, 1956), #167.1]
• Letter from LP to Walter H. MacGinitie RE: States that he has sent a recommendation letter for MacGinitie to Harvard and offers to send one to the University of Michigan. [Letter from LP to McGinite May 14, 1956, Letter from MacGinitie to LP May 20, 1956] [Filed under LP Correspondence: (M: Correspondence, 1956), #257.1]
• Letter from Stephen H. Fritchman to LP RE: Pleased to have received word that LP and AHP will be guests to the Ministers dinner on June 3. Hopes that they will come to Fritchman's home in Glendale at 6 PM. Fritchman will be at the Unitarian Meetings from May 21 to June 2. Frances saw LP on the Bill Stout program and was delighted with it. [Letter from Stephen H. Fritchman to LP December 4, 1956] [Filed under LP Speeches: 1956s.36]
• Letter from Virginia L. Duncan, Du Pont Company, to LP RE: Requests a copy of the list of dissertations published in 1955-56. [Letter from Gates and Crellin Laboratories to Virginia Duncan June 12, 1956] [Filed under LP Correspondence: (D: Correspondence, 1956), #98.21]

• Check from AHP to Linda Pauling for $100.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1]
• Flyer: Program Notes, American Humanist Association, Los Angeles, May 15, 1956. [Filed under LP Biographical: LP Scrapbooks, 1956-1960: Box #6.007, Folder #7.11]
• Invitation: Meeting of the Southern California Section of the American Humanist Association, May 15, 1956. [Filed under LP Biographical: LP Scrapbooks, 1951-1955: Box #6.006, Folder #6.178]
• Letter from Bowen C. Dees, National Science Foundation, to LP RE: Informs that he has been named as the Scientific Advisor and/or Departmental Chairman under whose supervision some National Science Foundation Fellows will be studying during the duration of their award. LP is supervisor for Henry Dearman, Neilen Hultgren, and David Schuster. Asks LP to fill out the necessary forms so they can begin payment of the awards. [Filed under LP Science: National Science Foundation: Correspondence, 1947, 1951-1989: Box #14.029, Folder #29.3]
• Letter from Carey McWilliams, The Nation, to LP RE: Discusses enclosed clippings. Asks if LP would prepare a piece for The Nation regarding the research discussed. [Filed under LP Correspondence: (The Nation), #283.1]
• Letter from Gisela Roizen to LP RE: Encloses notes on her theory about the functions of the pituitary gland. Mentions the May 14 issue of Time magazine. [Letter from LP to Gisela Roizen May 17, 1956] [Filed under LP Correspondence: (R: Correspondence, 1956), #341.2]
• Letter from Harold C. Urey, University of Chicago, to LP RE: Suggests that LP accept an invitation to visit Venezuela. Discuses his own visit to Venezuela. [Letter from LP to Harold C. Urey June 5, 1956] [Filed under LP Correspondence: (Urey, Harold), #419.1]
• Letter from James L. Erickson, American Food and Drug Mfg. Corp., to LP RE: Requests a reprint of LP's May 2 address before the American Psychiatric Association. [Letter from Gates and Crellin Laboratories to James L. Erickson September 12, 1956] [Filed under LP Correspondence: (American Psychiatric Association), #11.11]
• Letter from John D. Roberts to Dr. Paul Bartlett, Harvard University, RE: Invites Bartlett to visit in the spring and give six lectures at the university. Discusses Robert G. Ghirardelli's interest in a postdoctoral fellowship. [Filed under LP Correspondence: (B: Correspondence, 1956), #38.2]
• Letter from LP to Dr. Jacob Kleinberg, Chemistry Dept., University of Kansas, RE: Pleased to have the two books Kleinberg sent. Has looked over Kleinberg's book on unfamiliar oxidation states with much interest. [Letter from Jacob Kleinberg to LP May 9, 1956] [Filed under LP Speeches: 1956s.22]
• Letter from LP to Dr. Ralph L. Shriner, Chemistry Dept., State University of Iowa, RE: Thanks Shriner for the letter and for the enclosure for AHP. Thinks AHP has written to Mrs. Shriner to thank the Shriners for their kindness during LP and AHP's visit to Iowa City. [Letter from Ralph L. Shriner to LP May 7, 1956] [Filed under LP Speeches: 1956s.13]
• Letter from LP to Dr. Walter Gordy, Duke University, RE: Hopes that he will be able to see Gordy before leaving for Europe. Has turned Gordy's letter over to Verner and mentions that both Verner and Badger will be expecting to see Gordy as well. [Filed under LP Science: John Simon Guggenheim Memorial Foundation, 1953-1975: Box #14.015, Folder #15.4]
• Letter from LP to Edward B. Maybeck, Chase Manhattan Bank, RE: Explains that he did not prepare a manuscript of his talk before the American Psychiatric Association. Writes a brief account of the material covered in the talk. Encloses other information relating to his work. [Letter from Edward Maybeck to LP May 9, 1956] [Filed under LP Correspondence: (M: Correspondence, 1956), #257.1]
• Letter from LP to Frits Went, Caltech, RE: Congratulates Went on his election as a Corresponding Member of the French Academy of Sciences. [Filed under LP Correspondence: (W: Correspondence, 1956), #444.4]
• Letter from LP to Melvin Calvin, Radiation Laboratory, University of California, RE: Congratulates Calvin on his Nichols medal. Discusses the book Science and Freedom and LP's lecture of the same title. [Filed under LP Correspondence: (Calvin, Melvin), #57.4]
• Letter from LP to Pierre Van Rysselberghe, University of Oregon, RE: Regrets that he will not be in Pasadena when Rysselberghe and Prof. Piontelli visit Caltech. [Letter from Pierre Van Rysselberghe to LP May 12, 1956] [Filed under LP Correspondence: (V: Correspondence, 1956), #427.16]
• Letter from LP to Professor Fred T. Wall, William Albert Noyes Laboratory, Chemistry and Chemical Engineering Dept., University of Illinois, RE: Worried that he should have remained closer to chemistry in the lectures he gave at Illinois, but judging from Wall's letter, it appears it was all right to have strayed to other sciences. [Letter from Wall to LP May 9, 1956] [Filed under LP Speeches: 1956s.11]
• Letter from LP to R. T. Sanderson, State University of Iowa, RE: Explains his view of the grouping system of the periodic table. [Letter from R. T. Sanderson to LP May 8, 1956] [Filed under LP Correspondence: (S: Correspondence, 1956), #379.4]
• Letter from LP to Senator Wayne Morse RE: Says he has received his passport and that it is not restricted in time or destination. Thanks Morse for his assistance. [Telegram from Wayne Morse to LP April 30, 1956, Letter from Wayne Morse to LP June 1, 1956] [Filed under LP Correspondence: (Morse, Wayne), #250.2]
• Letter from Rabbi Leonard A. Greenberg, Southland Jewish Organization to Prof. Hans Einstein, University of California, Berkeley, cc: LP, RE: States that the S.J.O. will dedicate their 1956 Yearbook to Hans Einstein's father. Invites Einstein to attend their Annual Donor Dinner and Dance. [Filed under LP Correspondence: (E: Correspondence, 1956), #112.22]
• Letter from Robert W. McKinney, Corresponding Secretary, Phi Lambda Upsilon, Chemistry Dept., University of Kansas, to LP RE: Thanks LP for delivering the 8th Annual Franklin Memorial Lecture. LP and AHP's visit was a memorable occasion. Awaits notification of LP's expenses and honorarium. [Letter from Robert W. McKinney to Beatrice Wulf March 21, 1956, Letter from LP to Robert W. McKinney May 21, 1956] [Filed under LP Speeches: 1956s.22]
• Private Mailing Card from McGraw-Hill Book Co. to LP RE: Says they are sending by air mail: Robertson; 613-635 (ch p. 19 & legs. [Filed under LP Correspondence: (McGraw-Hill and Co.), #253.7]

• Ch 1c Freshman Chemistry Schedule. Lecture Topic: Ch 29 - proteins, Homework: Prob 28 - 1,2,4,8,9,10, Laboratory: General unknown solid substance. [Filed under LP Biographical: Academia: Box #1.014, Folder #14.10]
• Check from AHP to Good Foods for $22.15. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1]
• Check from AHP to Pacific Telephone and Telegraph for $11.91. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Check from AHP to Piney Woods School for $10.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Letter from Dr. Paul P. Ewald, Department of Chemistry, Polytechnic Institute of Brooklyn, to LP RE: Discusses Geller's paper and how it differs from LP's work. Notifies him that Geller's paper is going to be accepted for publication and LP should write some sort of response to it. [Letter from LP to Dr. Ewald May 21, 1956] [Filed under LP Manuscripts of Articles: 1957a.4]
• Letter from Hiden T. Cox of the American Institute of Biological Science to LP RE: Asks LP to serve as Editor for the published volume of the "Molecular Structure and Biological Specificity" symposium. [Letter from LP to Hiden T. Cox May 21, 1956] [Filed under LP Correspondence: (A: Organizational Correspondence (Am - Am)), #10.3]
• Letter from LP to Bruce C. Fuller RE: Explains that he has not yet published any material about mental deficiency in relation to biochemical abnormality. Suggests that Fuller consider a monograph by Dr. Harris on inborn errors of metabolism for information. [Letter from Bruce C. Fuller to LP May 4, 1956] [Filed under LP Correspondence: (F: Correspondence, 1956), #128.21]
• Letter from LP to David Dietz of Scripps-Howard Newspapers RE: Thanks Dietz for sending a clipping from the Cleveland Press. [Letter from David Dietz to LP May 9, 1956] [Filed under LP Correspondence: (D: Correspondence, 1956), #98.21]
• Letter from LP to Dr. B. Gaspar RE: Encloses the documents that Gaspar left with LP relating to Peter's academic record and to his re-admission in the Institute. LP does not yet know if Peter can be re-admitted without taking the transfer examinations. [Letter from Gaspar to LP May 23, 1956] [Filed under LP Science: John Simon Guggenheim Memorial Foundation, 1953-1975: Box #14.015, Folder #15.4]
• Letter from LP to Dr. R.G. Grenell, University of Maryland, RE: Would like to learn more about the sort of work that Grenell is carrying out on functional activity of nerve and brain cells. LP is not sure it would be worthwhile to set up a collaboration because his own experiences and abilities are highly limited. [Letter from Grenell to LP May 11, 1956] [Filed under LP Science: John Simon Guggenheim Memorial Foundation, 1953-1975: Box #14.015, Folder #15.4]
• Letter from LP to Joseph O. Hirschfelder, University of Wisconsin. [Letter from Joseph O. Hirschfelder to LP May 10, 1956] [Filed under LP Correspondence: (Hirshcfelder, Joseph O.), #159.8]

  16 May 1956

  Dr. Joseph O. Hirschfelder

  Naval Research Laboratory

  P.O. Box 2127

  Madison 5, Wisconsin

  Dear Joe:

  The rule to which you refer in your letter of 10 May is on page 178 of the first edition of THE NATURE OF THE CHEMICAL BOND - probably about 184 of the second edition (I don't have a copy at hand), near the end of Chapter 5.

  There it is stated that van der Waals radii are 0.75 to 0.83 A greater than the corresponding single-bond covalent radii, probably within limit of reliability equal to the covalent radius plus 0.80 A.

  This would be equal to the single-bond distance plus 1.60 A. I am not sure that the rule should be stated as you do, equal to the bond length of a diatomic molecule, because I doubt that the effect of a double bond or a triple bond would be of this sort. Perhaps it would, however.

  Sincerely yours,

  Linus Pauling:W

• Letter from LP to Robert F. Gould, Managing Editor, Chemical and Engineering News, RE: Encloses his review on the book, Fibrous Proteins and Their Biological Significance. [Letter from Robert F. Gould to LP March 20, 1956] [Filed under LP Manuscripts of Articles: 1956a.6]
• Letter from Leonard J. Duhl of the National Institute of Mental Health to LP RE: Agrees to send LP a reprint of his paper when it is available. Notes an article by H. V. Brondsted entitled "Warning and Promise of Experimental Embryology." [Letter from LP to Leonard J. Duhl May 10, 1956] [Filed under LP Correspondence: (D: Correspondence, 1956), #98.21]
• Letter from Ray T. Bayless, Assistant Secretary, American Society for Metals, to Beatrice Wulf, Secretary to LP, RE: 75 reprint copies will be provided free of charge. Quotes prices for additional reprints. [Letters from Wulf to Bayless May 11, 1956, May 23, 1956] [Filed under LP Manuscripts of Articles: 1956a.3]

• Check from LP to Beatrice Wulf for $100.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.3]
• Letter from H. S. Rogers, Polytechnic Institute of Brooklyn, to LP RE: Requests LP's presence at the annual Corporation of Polytechnic Institute Dinner in June. Mentions the guests of honor, Othmar H. Ammann and William C. Stolk. [Letter from LP to H. S. Rogers May 24, 1956] [Filed under LP Correspondence: (R: Correspondence, 1956), #341.2]
• Letter from J. Howard McMillen, National Science Foundation, to LP RE: Asks LP to review the enclosed proposal P-2467. [Review of Proposal P-2476 by LP May 23, 1956] [Filed under LP Science: National Science Foundation: Correspondence, 1947, 1951-1989: Box #14.029, Folder #29.3]
• Letter from L. A. DuBridge, Caltech, to LP RE: Discusses California Institute faculty salary increases. [Letter from LP to DuBridge May 24, 1956] [Filed under LP Correspondence: (DuBridge, Lee A.), #96.16]
• Letter from LP to Artturi I. Virtanen, Biochemical Institute, Helsinki, RE: Inquires about possible dates when he and AHP could visit Finland. [Filed under LP Correspondence: (V: Correspondence, 1956), #427.16]
• Letter from LP to Dr. Leo A. Shinn, Office of Naval Research, RE: Corey and LP are looking forward to further discussion with the Contract Division about Contract No. Nonr-220(05). [Letter from Caminita to LP and Corey May 4, 1956] [Filed under LP Science: Office of Naval Research: Correspondence, Memoranda, Notes and Assorted Materials re: "The Structure and Properties of Proteins and Synthetic Polypeptides," Contract Nonr 220(05) (Chemistry 32), 1951-1963P: Box #14.032, Folder #32.2]
• Letter from LP to Gisela Roizen RE: Thanks Roizen for her May 15 letter about the functions of the pituitary gland. Agrees that hormones are important in mental activity. [Letters from Roizen to LP May 15, 1956, October 5, 1956] [Filed under LP Correspondence: (R: Correspondence, 1956), #341.2]
• Letter from LP to J. A. Prins RE: Says he looks forward to Prins' visit to Pasadena and to speaking with him about his work. Briefly discusses the change from low to high coordination with increase in atomic number. [Letter from Prins to LP May 9, 1956, August 12, 1956] [Filed under LP Correspondence: (P: Correspondence, 1956), #313.4]
• Letter from LP to K. L. Sandefur, Midwest Research Institute, RE: Says he cannot provide any information on the topics requested by Sandefur. [Letter from Sandefur to LP May 11, 1956] [Filed under LP Correspondence: (S: Correspondence, 1956), #379.4]
• Letter from LP to Paul N. Schatz RE: Is pleased to learn of Schatz's assistant professor appointment at University of Virginia. [Letter from Schatz to LP April 18, 1956] [Filed under LP Correspondence: (S: Correspondence, 1956), #379.4]
• Letter from LP to Professor E.B. Chain, F.R.S., Istituto Superiore di Sanita, RE: Encloses a letter from Professor Ranzi, inviting LP to speak at the Biology Seminar, along with a copy of his answer. Prepared to deliver two talks, "The Structure of Proteins" and "Abnormal Hemoglobin Molecules in Relation to Disease" in Italy, in addition to the Avogadro Commemoration Lecture. [Letter from LP to E.B. Chain April 17, 1956, Letter from Beatrice Wulf to E.B. Chain May 31, 1956] [Filed under LP Speeches: 1956s.25]
• Letter from LP to Professor Silvio Ranzi, Istituto di Zoologia, Italy, RE: LP's visit to Italy is being arranged by the Italian Chemical Society. Has sent Ranzi's letter inviting LP to speak to the Biology Seminar in Milano to Professor E.B. Chain, suggesting that this talk be included if possible. May give a talk before the Chemical Society in Milan. If his Chemical Society talk is on "The Structure of Proteins," then perhaps "Abnormal Hemoglobin Molecules in Relation to Disease" would be suitable for the seminar. Suggests that Ranzi write to Chain. [Filed under LP Speeches: 1956s.25]
• Letter from LP to W. Thorsell, University of Wisconsin, RE: Regrets that he will be in Europe at the time Thorsell has requested to visit. Suggests that she visit anyway. [Note from W. Thorsell to LP May 13, 1956] [Filed under LP Correspondence: (T:Correspondence, 1956), #411.1]
• Memo from LP to D. Nieman RE: Asks if it would be worthwhile to invite E. C. Dodds to visit Pasadena and give a lecture. [Filed under LP Correspondence: (D: Correspondence, 1956), #98.21]

• Article: "Hemoglobin J," by Oscar A. Thorup, Harvey A. Itano, Munsey Wheby, and Byrd S. Leavell. Reprinted from Science. [Filed under LP Science: Box #6.009, Folder #9.2]
• Itinerary [handwritten]: UCLA Medical Center [Filed under LP Travel: Box #1.002, Folder #2.2]
• Letter from C. B. Farrar, American Journal of Psychiatry, to LP RE: Discusses publication of LP's manuscript of his May 2 address before the American Psychiatric Association in the Genetics Symposium. [Letter from Farrar to LP August 10, 1956] [Filed under LP Correspondence: (American Psychiatric Association), #11.11]
• Letter from Mizuho Odagiri of Kinki University to LP RE: Thanks LP warmly for his letter of encouragement regarding his research in Theoretical Chemistry. [Letter from LP to Odagiri March 19, 1956] [Filed under LP Correspondence: (O: Correspondence, 1956), #300.18]
• Letter from Rosalie Hofmeister to LP RE: Urges LP to continue his appeal for abolition of war and an end to H-Bomb tests. [Filed under LP Correspondence: (H: Correspondence, 1956), #167.1]

• Letter from Dr. Domenico Marotta, Academician, Permanent Secretary, Academia Nazionale dei XL, to LP RE: During the Avogadro Commemoration Ceremony LP will be awarded the Avogadro Medal of the Academy. [Letter from Marotta to LP May 19, 1956, Letter from LP to Marotta May 24, 1956] [Filed under LP Speeches: 1956s.25]
• Letter from Dr. Domenico Marotta, Academician, Permanent Secretary, Academia Nazionale dei XL, to LP RE: The Avogadro Commemoration Ceremony will take place on June 6. The President of the Academy, Professor F. Severi, will speak first, followed by Professor G.B. Bonino, who will introduce Sir Cyril Hinshelwood and LP. LP's address will conclude the ceremony. The Italian Chemical Society luncheon will be followed by an orchestral concert. On June 7 an official banquet will be given. LP's lecture on "Abnormal Hemoglobin Molecules in Relation to Disease" is scheduled for June 12. [Letter from LP to Marotta April 16, 1956, Letter from Marotta to LP May 19, 1956]
• Letter from Dr. Domenico Marotta, Secretary General, Italian Chemical Society, to LP RE: The General Council of the Italian Chemical Society has elected LP as an Honorary Fellow. Invites LP to attend a luncheon to honor LP and Sir Cyril Hinshelwood following the Avogadro Commemoration Ceremony on June 6. [Letter from Marotta to LP May 19, 1956, Letter from LP to Marotta May 24, 1956] [Filed under LP Speeches: 1956s.25]
• Letter from Professor Arthur J. Knodel, University of Southern California, to LP RE: Thanks LP for delivering such a magnificent lecture at the University of Kansas. It was a pleasure to have AHP with LP as well. Hopes they have a fine trip to Rome and that LP's lecture is successful. [Letter from LP to Knodel May 22, 1956] [Filed under LP Speeches: 1956s.24]

• Itinerary [handwritten]: University of California, Santa Barbara; Professor Garrett Hardin [Filed under LP Travel: Box #1.002, Folder #2.2]
• Letter from Charles Brough to LP RE: Demands that LP return his revised first chapter. Expresses frustration with LP's delayed response. [Letter from Brough to LP April 1, 1956, Letter from LP to Brough May 24, 1956] [Filed under LP Correspondence: (B: Correspondence, 1956), #38.2]
• Letter from LP to Dr. Maurizio Gianturco, University of Illinois, RE: Asks Gianturco to translate the manuscript of his talk on Avogadro from English to Italian. Requests that Gianturco dictate the manuscript in Italian onto dictaphone belts. Discusses the typewriter used; he thinks the ribbon should be replaced and says that the letter "a" does not register well. [Letter from Gianturco May 24, 1956] [Filed under LP Science: John Simon Guggenheim Memorial Foundation, 1953-1975: Box #14.015, Folder #15.4]
• Letter from LP to Walter H. MacGinitie RE: Thanks LP for his letter of recommendation to Harvard and requests that another recommendation letter be sent of the Office of Teacher Placement at UCLA. [Letter from LP to MacGinitie May 14, 1956, Letter from LP to Officer of Teacher Placement UCLA April 23, 1956] [Filed under LP Correspondence: (M: Correspondence, 1956), #257.1]

• Ch 1c Freshman Chemistry Schedule. Lecture Topic: Spec. Lect. (J. Vinograd) - large molecules, Homework: Prob. 29 - 4,5,9,10, Laboratory: General unknown solid substance. [Filed under LP Biographical: Academia: Box #1.014, Folder #14.10]
• Check from AHP to Henry and Hodges for $5.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1]
• Check from AHP to Mrs. Robert B. Whitney for $10.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1]
• Check from AHP to Pearl M. Jordan for $100.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1]
• Letter from Edward Condon, University of Pennsylvania, to LP and AHP. [Filed under LP Correspondence: (Condon, E. U.), #67.1]

  UNIVERSITY of PENNSYLVANIA

  PHILADELPHIA 4

  May 21, 1956.

  The College

  DEPARTMENT OF PHYSICS

  Dear Linus and Helen:

  Your nice note of May 16 was received here to-day forwarded from Berkeley. We have been here all spring serving another term as visiting professor. This is our last week here and we go out to St. Louis next week for preliminary house-hunting. After that two weeks in Corning and then to Madison where I am professing quantum mechanics in the summer session to August 18, then a couple more weeks in Corning and really get to St. Louis about Labor Day. I put in all this detail so you will be sure to look us up if your summer travels cross any of this trail.

  We are of course delighted to have a really good base of operations and hope that we can persuade you to visit us there when we are established.

  As to whether things are getting more rational, I believe they are in the population as a whole, but I see no signs of improvement in the conduct of the Eisenhower administration. Eyring tried to help me by intervening with Senator Watkins and got a brushoff which involved a new charge against me. He writes, "The best picture that I can get is that no one even suggests you are disloyal but some argue that you are too easy going." At the end of April I saw Senator Knowland and asked his help. He took it up with the offending Secretary of the Navy and received a brushoff. So we have a long way to go before these fellows begin to act decently. Our only hope is to arrange matters so that what they say and do does not matter.

  Paul is at 116 Cromwell Road, London S.W.7 working at Blackett's lab and will be at Pic du Midi in June then at Princeton next year.

  With lots of love,

  Ed Condon

• Letter from LP to Dr. Paul P. Ewald, Department of Chemistry, Polytechnic Institute of Brooklyn, RE: Expresses his feeling that the paper by Geller should not be published and gives his reasons why. [Letter from Ewald to LP May 16, 1956] [Filed under LP Manuscripts of Articles: 1957a.4]
• Letter from LP to Hiden T. Cox, American Institute of Biological Sciences, RE: Declines invitation to serve as editor for the published volume of the symposium Molecular Structure and Biological Specificity. [Letters from Cox to LP May 16, 1956, May 29, 1956] [Filed under LP Correspondence: (A: Organizational Correspondence (Am - Am)), #10.3]
• Letter from LP to Robert W. McKinney, Corresponding Secretary, Phi Lambda Upsilon, Chemistry Dept., University of Kansas, RE: LP and AHP did not have any expenses in connection with their visit to the University of Kansas. Pleased to have been able to deliver the Franklin Memorial Lecture. Thought that Franklin was one of his best friends. [Letter from McKinney to LP May 15, 1956] [Filed under LP Speeches: 1956s.22]
• Letter from Linus Pauling to Crellin Pauling. [Filed under LP Biographical: Box #5.048, Folder #48.6]

  21 May 1956

  Dear Crellie:

  Professor Herbert Harned is here now, and has begun work on the preparation of the subchloride of columbium, Cb₆Cl₁₄. He thinks, too, that he may try to prepare the corresponding bromide.

  I have given you appointment as Assistant in Chemistry, for a month or six weeks this summer, possibly until Professor Harned leaves, about the first of August. You are to work forty hours per week, and be paid at the rate of $1.50 per hour.

  Your duties under this appointment are to assist Professor Harned in the preparation of the substances. I have told Professor Harned that you would help him with whatever work needs to be done in the laboratory. He has suggested that he might want you to do a certain amount of glassblowing. He might ask you to spend a small amount of time reading the literature, but I think that most of your time would be spent in carrying out the inorganic preparations, under his supervision.

  Professor Harned is a bit worried about the danger of working with bromine - that is, he is worried on your account. I think that I should mention to you that bromine is a dangerous substance. Chlorine also is dangerous, but not so dangerous as bromine. A lungful of bromine vapor can easily cause death. Accordingly, while you are working with Professor Harned you must pay careful attention to the advice that he gives you about safety measures. Of course, it is good to remember to be careful in all chemical work. We had a boy go to the hospital a month ago, because of cuts that he received from an explosion in a flask in which he was carrying on a reaction. Fortunately, he was wearing glasses. The glasses were broken, and one of the cuts was on the eyeball, but only a small one. It is a good idea to wear goggles or a safety shield over the face, whenever there is any danger of an explosion.

  Professor Harned will, I think, want to tell you stories about his experiences, perhaps even when he was manufacturing Cb₆Cl₁₄ as a graduate student, during the period 1910 to 1913. I think that you may get tired of listening to these stories, especially if he tells them to you more than once, but you should consider it part of your job to listen to them, without showing that you are bored. This situation is one that you are apt to run into many times during your life.

  I think that Professor Harned is an understanding sort of man, and that you should be frank with him about any matter that comes up. If you do not understand anything that he has asked you to do, be sure to tell him, and have him go over the matter until you do understand. If you have some ideas as to what might be tried, feel free to tell him, and see what he says.

  Mamma and I are sorry not to see you before we get off for Italy. We are looking forward to seeing you when we get back, about 4 July. It may be that you should plan to start work again on the drawings for the Nature of the Chemical Bond at that time, but on the other hand, it may take me a couple of weeks to handle the accumulated work, so that there may be a delay before you change from your work with Professor Harned to the drawing work. Moreover, the synthesis of the columbium chloride compound is a very important part of the program that we have mapped out for the determination of the structure of proteins, and I feel that this work should have your attention as long as is necessary.

  Much love from

  [Linus Pauling]

• Memo from R. M. Badger to LP RE: Discusses the Dickinson notes on chemical thermodynamics and possible problems with their publication. [Letter from Freeman to LP May 9, 1956, Letter from LP to Freeman May 24, 1956] [Filed under LP Correspondence: (W.H. Freeman and Company, 1956), #439.14]

• Check from AHP to Arletta Townsend for $60.00. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Check from AHP to H.C. Schwank, A.L. Smith for $10.45. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Check from AHP to Mrs. Beatrice Wulf for $20.02. [Filed under LP Biographical: Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957: Box #4.024, Folder #24.1] [Also filed under LP Biographical: Business and Financial: Check Registers, 1951-1960: Box #4.075, Folder #75.5]
• Letter from Dr. Fred O'Flaherty, University of Cincinnati, to LP RE: Requests LP's permission to use specific figures in his monograph, "The Chemistry and Technology of Leather Manufacture." Explains details of the monograph. [Letter from LP to O'Flaherty May 34, 1956] [Filed under LP Correspondence: (O: Correspondence, 1956), #300.18]
• Letter from Henry Allen Moe, John Simon Guggenheim Memorial Foundation, to LP RE: Asks LP for his opinion on Dr. Erwin Chargaff who is applying for a second Guggenheim fellowship and who has listed LP as a reference. Hopes LP will be in Pasadena when he comes in June. [Letter from LP to Moe May 24, 1956] [Filed under LP Science: John Simon Guggenheim Memorial Foundation, 1953-1975: Box #14.015, Folder #15.4]
• Letter from LP to Peter Pauling. [Filed under LP Biographical: Box #5.042, Folder #42.3]

  22 May 1956

  Dear Peter:

  I have written to Bragg, saying that we are to arrive Friday afternoon, and leave Monday morning, and suggested that we might run up to his place in the country for an hour or two, if that would be the only chance for us to see him and Lady Bragg. Possibly he would still be in the Royal Institution on Friday afternoon, and we could call then. I do not know whether there is to be a Friday Evening lecture that night.

  I also mentioned to him that we had offered you a job in our protein structure group, but that I did not know yet whether you would accept it.

  The method that we are going to use to determine the structure of proteins - or at least to try - involves an unusual inorganic substance, which has never been synthesized by anybody except Professor Herbert Harned of Yale. Professor Harned is here now, with his wife and one daughter. He is to work for three months on the job of making this compound. Our earlier efforts to synthesize it failed. Crellin is to be his assistant.

  Mamma and I are looking forward to seeing you when we arrive in London at 1:15 P.M. (SK 501) on Friday 1 June. If you are not at the airport we shall take the bus into the terminal.

  Much love to you and Julia from

  [Linus Pauling]

• Letter from LP to Professor Arthur J. Knodel, University of Southern California, RE: Enjoyed his evening with Knodel and the other members of Phi Beta Kappa. [Letter from Knodel to LP May 19, 1956] [Filed under LP Speeches: 1956s.24]

• Ch 1c Freshman Chemistry Schedule. Lecture Topic: Ch. 29, Homework: Prob. 29 - 4,5,9,10, Laboratory: General unknown solid substance. [Filed under LP Biographical: Academia: Box #1.014, Folder #14.10]
• Check from AHP to Mrs. Virginia Badger for $1.40. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1]
• Letter from Beatrice Wulf, Secretary to LP, to Josephine C. Neal, McGraw-Hill book Co., RE: Returns a corrected manuscript of LP's "The Configuration of Polypeptide Chains in Proteins" for inclusion in a book on modern chemistry. [Letter from Neal to Wulf May 29, 1956] [Filed under LP Correspondence: (McGraw-Hill and Co.), #253.7]
• Letter from Beatrice Wulf, Secretary to LP, to Ray T. Bayless RE: In view of the cost of the reprints, has decided not to order any. Will be appreciative of the 75 copies sent gratis. [Letter from Bayless to Wulf May 16, 1956] [Filed under LP Manuscripts of Articles: 1956a.3]
• Letter from Dr. B. Gaspar to LP RE: Thanks LP for returning his papers and for his interest in the matter of re-admitting Peter to the Institute. [Letter from LP to Gaspar May 16, 1956] [Filed under LP Science: (John Simon Guggenheim Memorial Foundation, 1953-1975), Box #14.015, Folder #15.4]
• Letter from F.C. Lindvall to Peter Gaspar RE: States that the Registration Committee has readmitted him to the Institute as of September, 1956. He is readmitted as a nominal Junior and his work done at U.C.L.A. will be established later after they can study his U.C.L.A. transcript. [Filed under LP Science: (John Simon Guggenheim Memorial Foundation, 1953-1975), Box #14.015, Folder #15.4]
• Letter from Kamal K. Ghosh to LP RE: Asks if LP will look at a diagram Ghosh made for the purpose of classifying elements based on their electronic structures. Asks for LP's comments on the diagram. [Letter from Ghosh to LP July 21, 1956] [Filed under LP Correspondence: (G: Correspondence), #140.20]
• Letter from LP to Dean, Harvard Graduate School, RE: Adds a complementary statement to his May 14 recommendation of Walter H. MacGinitie for acceptance to Harvard Graduate School. [Filed under LP Correspondence: (M: Correspondence, 1956), #257.1]
• Letter from LP to Officer of Teacher Placement, UCLA, RE: Recommends Walter MacGinitie and describes his intellectual capacity and qualifications. [Letter from MacGinitie to LP May 20, 1956] [Filed under LP Correspondence: (M: Correspondence, 1956), #257.1]
• Review of Proposal P-2476 by LP RE: LP strongly recommends that the grant be made to Mulliken. [Letter from McMillen to LP May 17, 1956] [Filed under LP Science: (National Science Foundation: Correspondence, 1947, 1951-1989), Box #14.029, Folder #29.3]

• Check from AHP to Richard Richards for U.S. Senate Company for $50.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1]
• Letter from LP to Charles Brough RE: Says he will not comment on Brough's revised first chapter of his manuscript. [Letter from Brough to LP May 20, 1956] [Filed under LP Correspondence: (B: Correspondence, 1956), #38.2]
• Letter from LP to Dr. Domenico Marotta, Permanent Secretary, Academia Nazionale dei XL, RE: Honored that the President and the Council of the Academia have decided to award LP an Avogadro Medal. [Letter from Marotta to LP May 19, 1956] [Filed under LP Speeches: 1956s.25]
• Letter from LP to Dr. Domenico Marotta, Secretary General, Italian Chemical Society, RE: Thanks Marotta and the General Council for electing him as an Honorary Fellow of the Italian Chemical Society. Hopes that his election will strengthen the friendship between the chemists of their two countries. [Letter from Marotta to LP May 19, 1956] [Filed under LP Speeches: 1956s.25]
• Letter from LP to Fred O'Flaherty, University of Cincinnati, RE: Gives O'Flaherty permission to use specific figures in his monograph, "The Chemistry and Technology of Leather Manufacture." [Letter from O'Flaherty to LP May 22, 1956] [Filed under LP Correspondence: (O: Correspondence, 1956), #300.18]
• Letter from LP to H. S. Rogers, Polytechnic Institute of Brooklyn, RE: Declines the invitation to attend the Corporation Dinner of Polytechnic Institute of Brooklyn in June. [Letter from Rogers to LP May 17, 1956] [Filed under LP Correspondence: (R: Correspondence, 1956), #341.2]
• Letter from LP to Henry Allen Moe, John Simon Guggenheim Memorial Foundation, RE: LP will not be in Pasadena when Moe is there because he is giving an address in Rome. Includes his recommendation that Dr. Chargaff should receive a second Fellowship. [Letters from Moe to LP May 22, 1956, May 30, 1956] [Filed under LP Science: (John Simon Guggenheim Memorial Foundation, 1953-1975), Box #14.015, Folder #15.4]
• Letter from LP to L. A. DuBridge, Caltech, RE: Responds to DuBridge's May 17 letter regarding salary increases. [Letter from DuBridge to LP May 17, 1956] [Filed under LP Correspondence: (DuBridge, Lee A.), #96.16]
• Letter from LP to W.H. Freeman, W.H. Freeman and Company. [Memo from Badger to LP May 21, 1956, Letter from Freeman to Badger June 15, 1956] [Filed under LP Correspondence: (W.H. Freeman and Company, 1956), #439.14]

  24 May 1956

  Mr. W. H. Freeman

  660 Market Street

  San Francisco 4, Calif.

  Dear Bill:

  I have checked up on the matter discussed in your letter of 9 May, namely, the possibility of preparing for publication a chemical thermodynamics based on the Dickinson notes.

  There has been in the past some discussion of collaboration with Badger and Bates, and David Shoemaker, on this job.

  I have talked with Professor Badger about the matter. He feels that the Dickinson notes provide the best basis that there is for teaching chemical thermodynamics, but that they are not extensive enough to make one independent of some other text. Also, as you know, Professor Bates compiled an extensive set of problems, and Professor Badger has added to this set, in such a way as to correspond pretty well with the material in the Dickinson notes.

  The Dickinson notes are, I think, in a way the property of the California Institute of Technology.

  Professor Badger and Professor Schomaker have done some work along the direction of extending the notes, but have not made a manuscript suitable for a book. A few years ago David Shoemaker also worked on the job of editing the Dickinson notes.

  My feeling is that if David Shoemaker and Badger, possibly also Verner Schomaker, would agree to expand the notes in a satisfactory way, there would result a manuscript well worth publication. I do not think that David Shoemaker should go ahead on his own. Perhaps you would think it worth while to talk with Badger about the matter.

  Sincerely yours,

  Linus Pauling:W

  P.S. We are looking forward to seeing you in July. LP

  cc: Professor Badger

• Letter from Maurizio Gianturco, University of Illinois, to LP RE: Encloses the translation of LP's lecture. [Letter from LP to Gianturcos May 20, 1956, May 28, 1956] [Filed under LP Science: (John Simon Guggenheim Memorial Foundation, 1953-1975), Box #14.015, Folder #15.4]
• Minutes from the Scientific Advisory Council Meeting, Los Angeles Chapter, National Nephrosis Foundation. [LP Science: (National Nephrosis Foundation, Inc., 1954-1958), Box #14.026, Folder #26.1]

• Check from AHP to Doroth F. Harned for $80.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1]
• Check from AHP to McBride Animal Hospital for $22.40. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1] [Also filed under LP Biographical: (Business and Financial: Check Registers, 1951-1960), Box #4.075, Folder #75.5]
• Check from AHP to Robert Dawson Agency for $135.20. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1] [Also filed under LP Biographical: (Business and Financial: Check Registers, 1951-1960), Box #4.075, Folder #75.5]
• Check from AHP to Save The Redwoods League for $10.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1] [Also filed under LP Biographical: (Business and Financial: Check Registers, 1951-1960), Box #4.075, Folder #75.5]
• Check from AHP to Southern Counties Gas Company for $15.20. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1] [Also filed under LP Biographical: (Business and Financial: Check Registers, 1951-1960), Box #4.075, Folder #75.5]
• Letter from Dr. George Tarjan, Pacific State Hospital, to LP RE: Encloses a copy of the paper Tarjan read before the General assembly of the American Association on Mental Deficiency. Tarjan will think about the questions LP raised concerning the NIMH fund application. Asks LP to leave a note letting him know the current status of the electrophoretic work with the blood samples that Stan Wright took from their patients. [Letter from LP to Tarjan May 30, 1956] [Filed under LP Science: Orthomolecular Medicine and Mental Health: Materials re: Ford Foundation grants for the study of mental disorders, 1955-1966: Box #11.089, Folder #89.2]

• Journal Article: "Forecast of Enzyme Research," Journal American Medical Association, May 26, 1956. [Filed under LP Biographical: (LP Scrapbooks, 1956-1960), Box #6.007, Folder #7.12]
• Letter from Bill Graham, President of Student Senate, University of Illinois, to LP RE: On behalf of the undergraduate student body at University of Illinois, Graham expresses their regrets concerning any trouble caused to LP by the actions of some newspapers and citizens of the state. Graham is sure that LP will be well received at the University. [Letter from LP to Graham June 6, 1956] [Filed under LP Science: (John Simon Guggenheim Memorial Foundation, 1953-1975), Box #14.015, Folder #15.4

• Check from AHP to The Churchman for $2.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1] [Also filed under LP Biographical: (Business and Financial: Check Registers, 1951-1960), Box #4.075, Folder #75.5]
• Letter from Margaret T. Simkin to AHP RE: Thanks AHP for her contributions at their last WILPF meeting. Says she has just written Prof. Kathleen Lonsdale saying that she hopes AHP will be able to include the Triennial Congress at Birmingham in her itinerary. [Filed under AHP: (General Correspondence, Personal, Peace and Political), Box #1.004, Folder #4.4]

• Ch 1c Freshman Chemistry Schedule. Lecture Topic: Spec. Lect (Dr. Pauling), Homework: none, Laboratory: none - holiday. [Filed under LP Biographical: Academia: Box 1.014, Folder 14.10]
• Check from AHP to Desmond's for $59.07. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1]
• Check from AHP to Elfriede Scheunenberg for $7.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1]
• Check from AHP to Lane Bryant for $11.42. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1]
• Check from AHP to Miss Aletha Courtney for $54.25. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1]
• Check from AHP to Safeway Stores for $25.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1]
• Check from LP to Annual Reviews Inc. for $7.21. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1] [Also filed under LP Biographical: (Business and Financial: Check Registers, 1951-1960), Box #4.075, Folder #75.3]
• Check from LP to Bennett Travel Agency for $2,748.80. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1] [Also filed under LP Biographical: (Business and Financial: Check Registers, 1951-1960), Box #4.075, Folder #75.3]
• Check from LP to Huntington Hospital for $15.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1] [Also filed under LP Biographical: (Business and Financial: Check Registers, 1951-1960), Box #4.075, Folder #75.3]
• Check from LP to Pacific Library Binding Company for $3.88. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1] [Also filed under LP Biographical: (Business and Financial: Check Registers, 1951-1960), Box #4.075, Folder #75.3]
• Check from LP to Wetherby Kaysey Shoe Company for $38.38. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1]
• Letter from Edward J. Kilfoy to LP RE: Notes an article delivered by LP, "The Future of the Enzyme Research," in the May 26 issue of the American Medical Journal. Discusses his opinion of the role of enzymes in the cause of disease and hopes to meet with LP someday. [Letter from LP to Kilfoy July 17, 1956] [Filed under LP Correspondence: (K: Correspondence, 1956), #200.21]
• Letter from LP to Dr. Maurizio Gianturco, University of Illinois, RE: Informs that the translation of his Avogadro Lecture and the Dictaphone arrived on time. Thanks Gianturco for helping him. [Letter from Gianturco to LP May 4, 1956] [Filed under LP Science: (John Simon Guggenheim Memorial Foundation, 1953-1975), Box #14.015, Folder #15.4]
• Letter from Professor R.E. Rundle, Chemistry Dept., Iowa State College, to LP RE: Upon returning to work, finds that LP has not yet received his honorarium and reimbursement for expenses incurred in delivering the Coover Lecture. If LP will send a statement of his expenses, the local ACS chapter will take care of this. LP's talk was received most favorably. [Letter from Rundle to Wulf March 14, 1956, Letter from LP to Rundle July 23, 1956] [Filed under LP Speeches: 1956s.12]
• Letter from R. A. Penneman, American Chemical Society, to LP RE: Requests that LP write a letter in support of Dr. Jones' nomination for the A.C.S.'s "Southwest Regional Award." Describes eligibility criteria for the award. [Letter from LP to Penneman July 23, 1956] [Filed under LP Correspondence: (P: Correspondence, 1956), #313.4]
• Letter from Theodore Shedlovsky, Consumers Union of United States, to Carl Niemann, Caltech, cc: LP, RE: States the Board of Directors of Consumers Union has approved the renewal of a fellowship for research in physical chemistry of surfaces at Caltech. [Filed under LP Correspondence: (Consumers Union, Comm. on Grants and Fellowships), #72.4]
• Letter from W. Beautyman, Pittsfield General Hospital, to LP RE: Asks LP for information about Dr. Gregory S. Duboff who recently applied to work in the laboratory of the hospital. [Letter from LP to Beautyman July 17, 1956] [Filed under LP Correspondence: (D: Correspondence, 1956), #98.21]
• Newsletter: Federation of American Scientists. [Filed under LP Peace: [Federation of American Scientists, 1948-1993), Box #4.007, Folder #7.2]

• Check from AHP to Byron Hopper for $22.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1]
• Check from AHP to Linda Pauling for $100.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1]
• Check from AHP to Phelps-Terkel for $27.93. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1]
• Check from AHP to Sierra Madre Beauty Salon for $5.50. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1]
• Check from LP to First Western Bank and Trust Company for $1005.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1]
• Check from LP to Hoelscher's for $49.40. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1]
• Commercial Account Counter Check from First Western Bank for LP for $400.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1]
• Letter from Gustav J. Martin, National Drug Company, to LP RE: Invites LP to address the New York Academy of Sciences conference on Proteolytic Enzymes meeting. [Letter from LP to Martin July 11, 1956] [Filed under LP Correspondence: (M: Correspondence, 1956), #257.1]
• Letter from Hiden T. Cox, American Institute of Biological Sciences, to LP RE: Expresses disappointment that LP cannot serve as editor of the published volume of the symposium "Molecular Structure and Biological Specificity" and asks for a recommendation for another editor. [Letters from LP to Cox May 21, 1956, July 5, 1956] [Filed under LP Correspondence: (A: Organizational Correspondence (Am - Am)), #10.3]
• Letter from J. Donald Jenkins, Pittsburgh Plate Glass Company, to LP RE: Addresses LP as his "co-searcher for truth" from R. K. Strong's class of 1919. Requests that LP come to Milwaukee to give a talk to the American Chemical Society section there. [Letter from LP to Jenkins July 13, 1956] [Filed under LP Correspondence: (J: Correspondence, 1956), #192.22]
• Letter from J. M. Hill, Wadley Research Institute & Blood Center, to LP. [Letter from LP to Hill July 25, 1956] [Filed under LP Correspondence: (H: Correspondence, 1956), #167.1]

  29 May 1956

  Professor Arthur J. Hill

  Sterling Chemistry Laboratory

  Yale University

  New Haven, Connecticut

  Dear Professor Hill:

  I am writing to ask if there is any chance of our making some use of the pyrimidines and pyrimidine derivatives synthesized by Professor Treat B. Johnson.

  Professor Robert B. Corey and I have become interested in the problem of the detailed molecular structure of pyrimidines and purines, because of its relation to the problem of the structure of nucleic acids. So far there have been very few satisfactory x-ray studies of crystals of pyrimidines. Only a half dozen pyrimidines have been investigated, and most of the investigations have been carried out in such a way that the atomic positions have not been determined with the accuracy that is possible with modern methods. Corey and I think that we should arrange to have several careful structure determinations made of some interesting pyrimidines.

  It is difficult to say which of the substances synthesized by Professor Johnson would be best for this purpose. An important quality is the ease of crystallization of the substances. There is also an element of chance that enters, in that a substance may crystallize with a small unit of structure, or with a very short axis of the unit in one direction, and hence be well suited to x-ray investigation, or it may happen to crystallize with a very large and complicated unit of structure. In general predictions cannot be made about this from the formula.

  I have asked Professor Harned whether or not you have a collection of substances synthesized by Professor Johnson. If you have a collection of these substances, I should like to ask if you would be willing to lend the entire collection to us for a few months. We could examine the substances, and probably eliminate about three quarters of them immediately; these could be returned to you without delay. The others might be subjected to preliminary x-ray studies or attempts at crystallization, and then returned to you, as the results of these preliminary studies indicated them to be unsuitable.

  Professor Hill Page 2 29/5/56

  I may say that if this arrangement could be made, almost all of each sample probably could be returned to you. If one of the samples happens to contain crystals suitable to x-ray investigation, it might be necessary only for us to select one of these crystals, weighing a fraction of a milligram, and use it for the x-ray work. If a substance had to be recrystallized, the recrystallization might be carried out with perhaps 100 mg, and the recrystallized material also could be returned to you, except for a few small crystals used in the x-ray studies.

  Our interests in the substances synthesized by Professor Johnson do not overlap those of any other group, except that Cochran in the Cavendish laboratory in Cambridge has been making some studies of this sort, using pyrimidines and purines given to him by Professor Todd.

  I hope very much that you have the substances that were synthesized by Professor Johnson, and that you feel that you can lend them to us for this purpose.

  We are enjoying the visit of Professor Harned here.

  With best regards, I am

  Linus Pauling:W

  cc: Professor Corey

  Professor Harned

• Letter from Josephine C. Neal, McGraw-Hill Book Co., to Beatrice Wulf, Secretary to LP, RE: Thanks Wulf for her May 23 letter and enclosed corrected manuscript of LP's chapter for the book on modern chemistry. [Letter from Wulf to Neal May 23, 1956] [Filed under LP Correspondence: (McGraw-Hill and Co.), #253.7]
• Letter from LP to Arthur F. Scott, Reed College, RE: Discusses Wendell Wilkie, Jr. as a possible candidate for president of Reed College. Recommends Professor John A. Simpson as a suitable candidate for president of Reed College and outlines Simpson's history and credentials. [Letter from Scott to LP April 17, 1956] [Filed under LP Correspondence: (Reed College), #339.4]
• Letter from LP to Dr. Normand L. Hoerr, Anatomy Dept., Western Reserve University, RE: Gives his permission to reproduce Figure 9-3 of General Chemistry. Has sent Hoerr's letter to W.H. Freeman to see if he has any objection. [Letter from LP to Freeman May 29, 1956] [Filed under LP Books: (General Chemistry: An Introduction to Descriptive Chemistry and Modern Chemical Theory, Second Edition), #1953b2.2]
• Letter from LP to Dr. William R. Bergren, Biochemistry Research Laboratory Children's Hospital, RE: States that Dr. Huisman would be welcome at Caltech to give a talk in October. [Filed under LP Correspondence: (B: Correspondence, 1956), #38.2]
• Letter from LP to Prof. Arthur J. Hill, Yale University, RE: Inquires about the pyrimidines and pyrimidine derivatives synthesized by Prof. Treat B. Johnson. Explains that he and Prof. Robert Corey are interested in the molecular structure of pyrimidines because of the relation to the structure of nucleic acids. [Filed under LP Correspondence: (Hill, A. V.), #159.4]
• Letter from LP to Professor B. Roger Ray, Chemistry Dept., University of Illinois, RE: Thanks Ray for driving LP and AHP to Springfield and for mailing the package of books. Has been busy writing his Avogadro talk. Will leave tomorrow night for Rome and return on July 4. Has thought about lipoproteins and if someone who is interested in proteins comes to work in the laboratory during the coming year, may ask Ray for some material. [Letter from Ray to LP June 6, 1956] [Filed under LP Speeches: 1956s.11]
• Letter from LP to Professor Hans Neurath, School of Medicine, University of Washington, RE: Robert B. Corey and LP have finished their paper for the Linderstrom-Lang Festschrift. Expects to have the drawings completed and photographed in time to get the completed manuscript to Neurath by June 10. Neurath should write to Corey if he would like to have the manuscript without the drawings before that time. [Letter from LP to Neurath February 11, 1956] [Filed under LP Manuscripts of Articles: 1956a.7]
• Letter from LP to R. D. Lowde, Atomic Energy Research Establishment, RE: Discusses the topic of ferromagnetism and asks for Lowde's opinion on an issue regarding a magnetized iron crystal. Poses a question regarding a Heisenberg-type localized-electron model. [Filed under LP Correspondence: (L: Correspondence), #231.2]
• Letter from LP to Robert Burns Woodward RE: Congratulates Woodward on his election as Foreign Member of the Royal Society. [Filed under LP Correspondence: (Woodward, Robert Burns), #438.8]
• Letter from LP to Te-Pang Hou, Chinese Chemical Society, RE: Regrets that he and AHP cannot come to China in August or give a series of lectures for the Chinese Chemical Society. [Telegram from Hou to LP April 5, 1956, Letter from Hou to LP August 4, 1956] [Filed under LP Correspondence: (H: Correspondence, 1956), #167.1]
• Letter from LP to W.H. Freeman, W.H. Freeman and Company, Publishers, RE: Encloses a letter from Dr. Hoerr. [Letter from LP to Hoerr May 29, 1956] [Filed under LP Books: (General Chemistry: An Introduction to Descriptive Chemistry and Modern Chemical Theory, Second Edition), #1953b2.2]
• Letter from LP to William Moffitt, Harvard University, RE: Expresses disappointment at Moffitt's decision to decline the invitation to join the staff at Caltech. Discusses personal plans and the appointment of Howard Dintzis as assistant professor. [Letter from Moffitt to LP April 30, 1956] [Filed under LP Correspondence: (M: Correspondence, 1956), #257.1]
• Letter from Paul A. Beck, University of Illinois, to LP RE: Discusses work on CsCl-type ordered structures of transition elements. [Letter from Beck to LP May 4, 1956] [Filed under LP Correspondence: (B: Correspondence, 1956), #38.2]
• Memo from LP to Prof. Harrison Brown, cc: Prof. Bergman, Prof. Neimann, Prof Yost, RE: Requests that Brown teach a course in Radiochemistry during the 1956-57 year. [Filed under LP Correspondence: (Brown, Harrison), #32.4]

• Check from AHP to Gene Burton for $89.19. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1] [Also filed under LP Biographical: (Business and Financial: Check Registers, 1951-1960), Box #4.075, Folder #75.5]
• Check from AHP to Miss Sybil Jane Moore, Treasurer for $15.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1]
• Check from AHP to Richard Perry for $57.05. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1]
• Check from LP to Internations Associations, C.I.T. for $20.00. [Filed under LP Biographical: (Business and Financial: Bank Statements and Canceled Checks, February 1956-December 1957), Box #4.024, Folder #24.1] [Also filed under LP Biographical: (Business and Financial: Check Registers, 1951-1960), Box #4.075, Folder #75.3]
• Itinerary: report to SAS counter at International Airport at 10:00 PM [Filed under LP Travel: Box #1.002, Folder 2.2]
• Letter from Beatrice Wulf, Secretary to LP, to W.H. Freeman, W.H. Freeman and Company, Publishers, RE: LP has given Mrs. Smith permission to quote the material she mentions in the attached letter. Requests that Freeman write to Smith if he does not approve. Gives LP and AHP's itinerary. [Filed under LP Books: (General Chemistry: An Introduction to Descriptive Chemistry and Modern Chemical Theory, Second Edition), #1953b2.2]
• Letter from Edward C. Curnen, University of North Carolina, to LP RE: Invites LP to participate in a conference on etiologic factors in mental retardation in November. Discusses details of the subject matter, organization and participants of the conference. [Note from Curnen to LP August 13, 1956] [Filed under LP Correspondence: (C: Correspondence, 1956), #74.24]
• Letter from Henry Allen Moe, John Simon Guggenheim Memorial Foundation, to LP RE: Thanks LP for his judgement of Dr. Chargaff. Asks if LP thinks that making fresh water from sea water or atomic power is a feasible chemical problem. Asks LP to have Mrs. Wulf inform him whether or not he will be able to speak with LP in New York when LP returns from Italy. [Letters from LP to Moe May 24, 1956, July 5, 1956] [Filed under LP Science: (John Simon Guggenheim Memorial Foundation, 1953-1975), Box #14.015, Folder #15.4]
• Letter from LP to Dr. George Tarjan, Pacific State Hospital, RE: Thanks Tarjan for the copy of his paper and will look forward to Tarjan's suggestions about the NIMH application. Briefly describes the work being done on the blood samples taken from Tarjan's patients. [Letter from Tarjan to LP May 25, 1956] [Filed under LP Science: Orthomolecular Medicine and Mental Health: Materials re: Ford Foundation grants for the study of mental disorders, 1955-1966: Box #11.089, Folder #89.2]
• Letter from LP to G. Bernardini, University of Illinois, RE: Thanks Bernardini for the copy of The Selected Works of Amedeo Avogadro. Says that he has prepared a paper on Avogadro. [Letter from Bernardini to LP May 2, 1956]
• Letter from LP to Mrs. Marshall P. Smith, Educational Testing Service, RE: Gives permission for ETS to quote requested material in a folio of science test items for publication. [Filed under LP Correspondence: (E: Correspondence, 1956), #112.22]
• Letter from LP to Paul Bixler, Antioch Review, RE: Says that he is unable to prepare a comment of Prof. Owen's article. [Letter from Bixler to LP April 24, 1956] [Filed under LP Correspondence: (B: Correspondence, 1956), #38.2]

• Contract Status Report: Contract N6onr-24423, Chemistry 25, Acct. 23607, Directors of Research: LP and Dr. Verner Schomaker, May 31, 1956. [Filed under LP Science: (Office of Naval Research: Correspondence, Contract Status Reports and Project Status Reports, 1947-1962), Box #14.031, Folder #31.8]
• Itinerary: depart Los Angeles at 12:05 AM [Filed under LP Travel: Box #1.002, Folder 2.2]
• Letter from Beatrice Wulf, Secretary to LP, to Jean Bartholomew RE: Explains that she and Prof. Niemann are looking for a better qualified applicant for the Graduate Records position. [Filed under LP Correspondence: (B: Correspondence, 1956), #38.2]
• Letter from Beatrice Wulf, Secretary to LP, to Professor E.B. Chain, F.R.S., Istituto Superiore di Sanita, Italy, RE: Requests the itinerary of LP's tour in Italy. LP and AHP have left for Rome and Wulf would like to know where to reach them. Since some of the Avogadro ceremonies will take place in the Grand Hotel, LP thought a hotel reservation for LP and AHP would have been made there. They will to go to the Grand when they arrive on BEA flight 140 at 3:55 PM in Rome on June 4. [Letter from LP to Chain May 17, 1956, Letter from Chain to LP June 6, 1956] [Filed under LP Speeches: 1956s.25]
• Letter from Carsten Steffens to Thorfin Hogness, cc: LP, RE: Explains that LP suggested that he and Hogness may have mutual interests regarding a possible post-retirement connection for Hogness. Discusses details of his institution at which there may be an open position for Hogness. [Filed under LP Correspondence: (Hogness, Thorfin), #162.5]
• Letter from Emelia Nobbe to Sir, Caltech, RE: Inquires about practical uses for household waste such as bottles, cans, paper and ashes. [Letter from Wulf to Nobbe June 12, 1956] [Filed under LP Correspondence: (N: Correspondence, 1956), #287.23]
• Letter from Fred B. Eiseman, Jr., John Burroughs School, to LP RE: Thanks LP for his remarks on the details of microwave polarimetry. Asks for comments on part III of an enclosed paper dealing with the Microwave Polarimeter. [Letter from LP to Eiseman July 23, 1956] [Filed under LP Correspondence: (E: Correspondence, 1956), #112.22]
• Letter from Fritiof S. Sjostrand, Karolinska Institutet Anatomiska Institutionen, to LP RE: Invites LP to join the editorial board of a new journal on ultrastructure research. [Letter from Sjostrand to LP June 26, 1956] [Filed under LP Correspondence: (S: Correspondence, 1956), #379.4]
• Letter from Margaret Cooper, W.H. Freeman and Company, Publishers, to Beatrice Wulf, Secretary to LP, RE: Freeman is away, but they will take care of the permission requests according to their regular policy. Suggests that Wulf just forward all such requests directly to Freeman so that LP and Wulf do not have to bother answering them. Hopes that their new building is nice. [Filed under LP Books: (General Chemistry: An Introduction to Descriptive Chemistry and Modern Chemical Theory, Second Edition), #1953b2.2]
• Letter from Peter Briggs, Ladies' Home Journal, to LP RE: Requests a manuscript of LP's May 2 talk before the American Psychiatric Association. [Letter from LP to Briggs July 6, 1956]
• Letter from T. H. J. Huisman, Department of Paediatrics, State University, the Netherlands, to W. R. Bergren, Childrens Hospital Society of Los Angeles, cc: LP, RE: Discusses future travel plans to the U.S. Thanks Bergren for his invitation. [Letter from Bergren to Huisman June 14, 1956] [Filed under LP Correspondence: (B: Correspondence, 1956), #38.2]