June 22, 1943
Dr. Henry B. Bull
The Medical School
305 East Chicago Avenue
Dear Dr. Bull:
I am sorry to say that my wife and I have not, because of our duties here, been able to get away on a vacation. I am
still hoping that we can take a few days off.
I do not agree with your idea that the manufacture of artificial antibodies should be delayed until information about the
configuration of the surface of the globulin molecule is at hand. If we need to know about the structure of proteins before
working with proteins no protein experiments at all could be carried out. I agree, of course, that experiments aren't worth
very much until they are reproducible.
Thanks for your suggestions about experiments to be carried out.
I shall be glad to see the report on your work, when you get time to prepare it and send it to me. I understand that it
is not satisfactory for publication, but I need to have a detailed account of the work in order to plan what should be done
next and to avoid duplication of effort.