The Institute for Cancer Research 7701 Burholme Avenue @ Fox Chase @ Philadelphia 11, Pennsylvania June 21, 1960 Dr. Joshua Lederberg Stanford University Medical School Stanford, California Dear Josh, Mrs. Ilga Winicov, who worked with you and Dr. Peter Sneath two years ago, is moving to Philadelphia in September. In applying to me for a job, she has given you as a reference. I'd be grateful for your estimate of her research accomplishments and promise as well as her personality. Best regards, ee Thomas F. Anderson TFA/ad