Document 3JeeY691qMkwnkJoeRYnoZmXJ

THEODORE L. BRYAN, M. D. 3120 St at e St r eet Ea s t S't. Loui s, I l l i noi s April 7, 1955 The Kettering Laboratory University of Cincinnati College of Medicine Eden Avenue Cincinnati 19, Ohio Attention Dr. Robert A. Kehoe Dear Dr. Kehoe: I received your reply to my recent inquiry. I found the letter very informative and -wish to thank you most sincerely for your effort in preparing such an excellent reply. Sincerely MLB:gm KE 0019985 Theodore L. Bryan, M.D.