THE UNIVERSITY OF WISCONSIN Madison 6, Wisconsin Office of the President July 22, 1958 Dear Joshua, I have your letter of July 19, and as you can well imagine this news is very disturbing to me. I realize that you have given a great deal of consideration to this matter, and no doubt you have come to a definite conclusion. However, let me emphasize again that if there is anything we can do to encourage you to stay at Wisconsin, please let me know. I will await further developments with much interest. Sincerely yours, C. A. Elvehjem, President fll 9 Jolt bbit 4 for & few om yew Tp 7 EE. Professor Joshua Lederberg 202 Genetics Building