DEPARTMENT OF CHEMISTRY JUL 27 1966 CORNELL UNIVERSITY ITHACA, NEW YORK 14850 July 21, 1966 Prof. Joshua Lederberg School of Medicine Stanford University Palo Alto, California Dear Prof. Lederberg: I would like to invite you to speak to the General Chemistry Seminar at Cornell. Our meetings are on Thursdays at 4:30. They are attended primarily by grad- vate students and chemistry faculty, a group of about 75-100 persons. As possible dates, I suggest either November 10 or January 12. An alternate date can be arranged if these dates are inconvenient. We will be happy to provide an honorarium of $350.00 which should cover your travel expenses. VoW+Lon Y We would be delighted to have you visit Cornell. We hope that you can accept our invitation. Sincerely yours, Jal) an Roald Hof#Mann Assoc. Prof. of Chem.