Cohunbia Gnibersitp
inthe City of NewPork
INSTITUTE FOR THE STUDY OF HUMAN VARIATION

AND FOR RESEARCH ON THE BIOLOGICAL FACTORS CAUSING
EVOLUTIONARY CHANGES IN POPULATIONS

August 8, 1955

Prof. d. Lederberg
Deot. of Genetics
University of ‘“isconscin
Wadison, Wisconsin

Dear Joshua,

Last Saturday noon I missed you for a few seconds and@ was not able
to ask your permission for borrowing your caper on (tes, Here it ie
2 5 ae
back with one hundred per cent interest.

Thunk you for the kind letter to Dr. Hausuka: I am looting forward
to meeting him and in the meantitte I am reading and studying his papers.
I hope thus that I shall impress him better than I impressed you! honest-
ly, last week I could remember nothing about bacterial senetics. (You
mentioned to me that the antigenic complex of E.12 could ve an ideal sys
tem for the study of some fundamental problems regarding gene-antizen:

i quite agree and moreover Luca tauzht me trit you ire alw3ys rizht.
Have you some definite ideas in mind? Can you suszzect to me any svecial
paper on the subject?

I very much appreciated how friendly Zalbn you have received me

in Madison.

Yours sincerely,,.

Rug SPS ose

Fe. 5. +o you “now Dr. ‘iosley of the Sloan-kettering? I could spend sowe
tite there but I doubt if it is the best place for basic nro>lens.