Prof.Dr.A.A.Hadjiolov October 26, 1979 BULGARIAN ACADEMY OF SCIENCES INSTITUTE OF MOELCULAR BIOLOGY 1113 Sofia, Bulgaria Professor Joshua Lederberg, President The Rockefeller University, New York, U.S.A, Dear Professor Lederberg, thank you very much for sending me kindly the requested information on your life in Science. As a former co-worker of Dr.Fritz Lipmann and a fellow of The Rockefeller University I would like to wish you a very fruitful Presidency of this outstanding scientific institution. I hope that sometimes in the future I would be able to visit again The Rockefeller University and would be honoured to know ’ you personally. Thanking you for your kindness, I remain Yours sincerely, nn /A.A.Hadjiolov/ _——————