IOWA STATE COLLEGE OF AGRICULTURE AND MECHANIC ARTS AMES, IOWA DEPARTMENT OF GENETICS February 11, 1952 Professor Joshua Lederberg Department of Genetics University of Wisconsin Madison 6, Wisconsin Dear Professor Lederberg: I am very sorry indeed that you do not feel that you will be able to attend our Bio-Statistics Conference, I appreciate your suggestion of Dr, Ryan. I know that the man is a good one. I have acted on same and am writing Dr. Ryan. It is pos- ‘sible that when the conference is actual- ly in progress you may have a chance to come down. I hope so, in any case, Sincerely yours, hn W, Gowen rofessor of Genetics JIWG-dt