LONG ISLAND BICLOGICAL ASSOCIATION
COLD SPRING HARBOR, NEW YORK

BIOLOGICAL LABORATORY May 13, 1958

Dr. Joshua Lederberg
Department of Genetics
University of Wisconsin
Madison 6, Wisconsin

Dear Joshua:

I wish to extend to you and Mrs. Lederberg an invitation to
attend the meetings of this year's Symposium and take part in the
discussions. Enclosed is a copy of the program.

The Laboratory will be very happy to have you as guests
during the meetings. I will appreciate it if you will let me
know whether you intend to come, and, if so, return the enclosed
card as soon as possible.

Sincerely yours,

MD: af M. Demerec, Director
Enclosures