dune 15, 1948. Dr. H. H. Strandskov, Dept. Zoology, University of Chicago. Dear Strandskov, Just to confirm that the University's reimbursement of my expenses has come through. I also want to record my sincere ap- prectation for the hospitality which your department and the Bacteriology group showed us. iy wife joins me in extending our best regards, , _ Sincerely, ‘ ; fo: = Sf 2 3 : be. dé vb Fs ‘ ot ,idosma Lederberg */