CHEMICAL CORPS BIOLOGICAL LABORATORIES MEDICAL BACTERIOLOGY DIVISION Comp Detrick, Frederick, Maryland 23 November 1953 Dr. Joshua Lederberg Dept. of Genetics University of Wisconsin Madison 6, Wisconsin Dear Josh: I have been able to make definite plans for my visit to Madison next week. Following the meeting which I am going to attend in Chicago, I am planning to leave Chicago on Thursday, December 3, at 6:30 p.m. and should arrive in Madison at 9:38 p.m. I am planning to leave Madison on Saturday, December 5, at 3:00 p.m. Looking forward to seeing you and Esther again, I remain, with best regards, Sincerely yours, Uden WERNER BRAUN WB/bsp