THE ROCKEFELLER UNIVERSITY 1230 YORK AVENUE -NEW YORK, NEW YORK 10021 May 8, 1980 Dr. J. Lederberg President The Rockefeller University Dear Dr. Lederberg: I know Orio Ciferri and his work, and would be delighted to talk to him on June 16 (Monday) around 10 a.m. Sincerely, / tt ON NHC: swb Nam-Hai Chua fer,’ Ltn. wv Sfra/eo oe