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Yasser CS OFFICE OF THE PRESIDENT

June 26, 1979

Professor M. C. Niu V4

Co-Chairperson of the Symposium
on RNA in Development

Department of Biology

Temple University

College of Liberal Arts

Philadelphia, Pennsylvania 19122

Dear Professor Niu:

Regarding your letter of March 17, 1979 to Dr. Joshua
Lederberg, he is very sorry to regret your invitation
to deliver a lecture at your Symposium in April 1980.
Due to a heavily committed calendar schedule, he is over~
booked for that time. Dr. Lederberg sends his best wishes
‘for a successful symposium.

Sincerely,

(Mrs.) Mary Jane Zimmermann
Secretary to Dr. Lederberg