MAR 4 1965 20 Cheltenham Street, Lido Beach, New York, March 1, 1965. Dr. Joshua Lederberg, Department of Genetics, School of Medicine, \ Stanford University, Palo Alto, Calif. Dear Dr. Lederberg, Just a note to acknowledge with thanks the reprint entitled GENETICS OF SALMONELLA which you were Rind enough to send me. It arrived at the very moment that I am trying to revise my book (Genetics Is Easy) to incorporate some of the newer concepts. JI am sure I will find your review article most informative. With thanks again, and every good wish for continued success, I am, , Sincerely yours, fo Lf Kip laa — Philip Goldstein Abraham Lincoln H.S. Brooklyn, New York Ma4s yp} 99