January 2%, 1952 Dr. WM. M. Doudoroff Department of Bacterlology University of California Berkeley 4, California Dear Mike: Hank Lardy tells me thet you have arranged to give your Enzyme Seminar nere on the 7th of February. dould you care to accept our hospitality for the cecasion of your visit? 4s you may remember, our guest facilities are prinitivs but the company will be congenial. If you would prefer the comfort of a private room, do act healtate tc say so, but we will be acre than pleased to have you to ourselves. Yours sincerely, Jostua Lederperg