DEPARTMENT OF PHYSICS STANFORD UNIVERSITY STANFORD, CALIFORNIA November 14, 1961 Professor Joshua Lederberg 716 Alvarado Row Stanford, California Dear Josh: Thank you very much for your kind message of congratulations and your personal congratulations as well. I don't really know what the Nobel Prize will do to me and my family but one nice thing that it does is give me the privilege of belonging to the same club as you do. This I consider a high honor. Best regards. Sincerely, " rt~ Rk. Hofstadter RH: MBL iy red &