ALBERT EINSTEIN COLLEGE OF MEDICINE YESHIVA UNIVERSITY EASTCHESTER ROAD AND Morris PARK AVENUE NEw YorK 61, N. Y. DEPARTMENT OF ANATOMY May 27, 1960 Dr. Joshua Lederberg Dept. of Genetics Stanford University Medical Center Palo Alto, California Dear Josh: Many thanks for the batch of neprints which just arrived. In contrast to others, I do not put yours Feprdmts aside for future reading but always manage to get at them right away. I had the usual rewarding experience this time of finding your papers extremely stimulating and I would like to thank you very much for sending your reprints to me and for keeping me on your mailing list. A few days ago, Ruth Gross paid us a flying visit from Pavia. As you perhaps know, we are considering her for one of the two co- directorships of our Heredity Clinic and I do hope she will accept the offer. We just got the grant to set up this clinic,and it represents a very important point in the development of genetics at this school in the direction of the: creation of a full Department of Genetics. With many thanks and kind regards, Sincerely, Selr_e_ Salome G. Waelsch SGW: ew @ fay ae 9 FO)