TELEPHONE : TELEGRAMS : TROMBAY somBayryx 85 ATOMERG GOVERNMENT OF INDIA BHABHA ATOMIC RESEARCH CENTRE Bio-Medical Group Modular Laboratories BG: (T29 | May 6, 1969 Dear Professor Lederberg, Your letter of April 17th arrived here in the absence of Dr.A.R.Gopal-Ayengar, Director, Bio-Medical Group, who is at present away in New York in connection with the 19th session of the United Nations Scientific Committee on the Effects of Atomic Radiation. He is expected to wturn by the end of this month, when I shall place your letter before him for appropriate action. aebaaky =~ 1¥d0-9 Yours sincerely, | Secretary to Dr.A.R.Gopal-Ayengar Prof. Joshua Lederberg, Dept. of Genetics, School of Medicine, Stanford University, Stanford, California 94305.