ee WASHINGTON UNIVERSITY +8 at ante a cz SCHOOL OF MEDICINE SAINT LOUIS (10), MO. DEPARTMENT OF BACTERIOLOGY AND IMMUNOLOGY EUCLID AVENUE AND KINGSHIGHWAY April 21, 1948 Dr. J. Lederberg Department of Genetics University of ‘Jiscons in Madison, 6, Wisc. Dear Josh: Needless to say I waa sorry to read the information contained in your last Istter. JI must, however, confess that it did not cane as too mch ofa swrrise ginca I just returmed from the east where I spent a day in Tatum's laboratory. They had already told me atout the gad collapse of tha Ytolvin story, and also their canplete inability to get any reply or other cultures from hime Frankly, I do not understand the whole tusimss. I shall, however, as you suggest, try writing him directly and see what I turn up. If I am more suceessful, than ny predecessors, I shall, of course, ta havoy to send the cultures ar ounde Ths latest reasonat ly well confirmed rumour is that John is soing to Tufts Medical Colleze in Boston. There are no reasonably well confirmed rumours with respect to myself. “Jill let you Imow when scme food ones come up. I do not ymow when or if I am soins to Ninmanolis. With best regards, Sincerely yours, Sok S. Spis ve lnan ss/t