TELEPHONES: UNIVERSITY 345-1844 OR DIRECT TO H.P.S, DEPT. 341-6556 TELEGRAMS: UNI MELB. PARKVILLE The Aniversity of Melbourne Ye DEPARTMENT OF HISTORY AND PHILOSOPHY OF SCIENCE Parkville, Victoria, Australia, 3052 Dr. Joshua Lederberg, President, The Rockefeller University 1230 York Avenue New York, NY 10021 .~ July 13, 1985 Dear Dr. Lederberg, Thank you very much for your informative Letter of June 2&6. Your comments are greatly appreciated. I agree with you about the nature of Dr. Sonneborn. I should have mentioned that I first sty@mbled onto this case when investigating the Sonneborn papers in BLoomingtan, when doing some research for my doctoral thesis on the history of fp cytoplasmic inheritance.¢ That text entitled "Cytoplasmic Inheritance he and the struggle for authority in the field of heredity" will appear next year as the first in a new monograph series on the history and philosophy of the Life sciences published by Oxford University Press and edited by Lewontin, Burian and Burkhardt.) tu putes, « Ae Drs. Sager and Davis have agreed to interviews when I have the opportunity to travel ~ perhaps this coming (North American) winter. 2a Thank you for mentioning Dr. Nainwright, and Pr. Moore. I would probably never have known about them. I will write to them soon. I © don’t want to infringe on your generosity, but I may have to consult you at a Later date to find out more about the problems of Naewus’ © report concerning the conversion by visible Light of 1 % cis to trans dimethyl crocetin per minute. Thank you again for your time and eo consideration. wa Yours sincerely, _ dan Sapp AP ie Pusstte me On oT Loa om eet! 32: Yo ¥59 taclaw eed pone ( af Weakness ) b a0h Gearon od Heol . “ps rereation ht uae dn Satie 4 1S