FEDERAL SECURITY AGENCY PUBLIC HEALTH SERVICE WASHINGTON 25, D.C. IN REPLYING, ADDRESS THE PUBLIC HEALTH SERVICE REFER TO: SAN=A4C June 29, 1951 Professor Joshua Lederberg University of Wisconsin College of Agriculture Department of Genetics Madison 6, Wisconsin Dear Professor Lederberg: I have your letter of June 26, 1951, together with the information you furnished on your findings of Research Grant No. U5 ce. We find it very nelpful to attempt to keep informed on research activities in selected fields related to our program operations. I appreciate very much your furnishing this material and wish to assure you that it will be circulated to other interested mmbers of our staff for their informations Sincerely yours, onard M. Board, Asst. Chief Division of Sanitation