STANFORD UNIVERSITY SCHOOL OF MEDICINE STANFORD MEDICAL CENTER 300 PASTEUR DRIVE, PALO ALTO, CALIFORNIA 94304 DEPARTMENT OF GENETICS Professor Joshua Lederberg 4 17 69 Dear Gus: Will do. ¥our note clears up the mystery, why yam all that stuff was returned in your last letter to me! No trips to Paris in view, unfortunately. Sincerely, ASIN +