VANDERBILT UNIVERSITY DEC 34 1969 NASHVILLE, TENNESSEE 37203 TerePHoNe 254-5411 Arga 615 @ Department of Psychology December 27, 1968 Professor Joshua Lederberg Department of Genetics Stanford University School of Medicine Stanford Medical Center 300 Pasteur Drive Palo Alto, California 94304 Dear Professor Lederberg: Thank you for your kind remarks about the review undertaken by Dr. Allen Bergin and myself. The questions you raise are hard to answer, but despite formidable dif- ficulties, research in this area is by no means impossible. At least, this is my faith. I enjoyed the clipping from the Washington Post. Your interest in our work is indeed appreciated. Sincerely yours, Hans H. Strupp Professor HHS:jtr