YALE UNIVERSITY OSBORN BOTANICAL LABORATORY NEW HAVEN, CONNECTICUT Sept8, 1948 Dr. Joshua lederberg Department of Genetics University of wisconsin Madison, Wisconsin bear Josh: We have put you down for the week of Nov. 2nd for your lectures to the course on the Genetics of Microorganisms. Is this date OK. I will send along an outline of the course shortly, but we must first clear dates. Will you be in Washington? If se I can discuss the course a bit more with you there. With best regards, T em _ Ue