THE LILLY RESEARCH LABORATORIES

ELI LILLY AND COMPANY
INDIANAPOLIS 6, IND, U.S.A.

February 13, 1956

Dr. J, A. Lederberg
Department of Genetics
College of Agriculture
University of Wisconsin
Madison, Wisconsin

Dear Joshua:

Thanks for your note of February 11 and

for the material on Mr. Gaylen SEGOhET »
Dr, McGuire is out of town this wee » but

will want to look this over when he returns.

We are especially grateful for the copy of
your manuscript on heterokaryosis in strepto-
mycetes,

Sincerely,

God G?

Re GC. Pittenger
Department of
Microbiological Research

lms