Whitehead Associates bUblley Drive Selephone 205.629.4655 September 15, 1983 Dr. Joshua Lederberg President The Rockefeller University 1230 York Avenue New York, NY 10021 Dear Josh: Many thanks for your most considerate condolence letter, I really appreciate the time and effort you took to write. I hope you will excuse my dictating this, but I have over five hundred letters to write and my arm isn't up to it. I also thank you very much for inviting me to the meeting and dinner on Monday, October 3. Unfor- tunately, that same night the Whitehead Institute is sponsoring its first Symposium in Cambridge and I'm already scheduled to attend .. . I'm sure you will understand. a Kind regards and again, many thanks. V Sincerely, dwin C. Whitehead Chairman eu