SEP 6 1966 Medical Research Covuncit NATIONAL INSTITUTE FOR MEDICAL RESEARCH Mill Hill 3666 London, N.W.7 2nd September 1966 Dear Joshua, The man you are after is: Peter Henderson, M.D., Principal Medical Officer, Department of Education and Science, Richmond Terrace, London, S.W.1. I take it you will want to get in touch with him directly. I very much like your Washington Post pieces, and think it very nice of you to invite me to contribute a paragraph if there's something I feel strongly about. I shall certainly bear it in mind. Young Bodmer flashed through here the other day and it was nice to see him. With best wishes, Yours ever, (in From: Sir Peter Medawar, FRS, National Institute for Medical Research, — London, N.W.7o eJad' away qsay Professor Joshua Lederberg, Department of Genetics, Stanford University School of Medicine, Stanford Medical Center, Palo Alto, California 94304, United States of America.