David H. Keller (1880-1966) Psychiatrist and author; M.D., School of Medicine, U. of Pennsylvania, (1903); served as neuropsychiatrist in U.S. Army Medical Corps during World Wars I and II; staff member of various state mental institutions; author of science fiction, fantasy and horror short stories and novels known as kelleryarns; used the pseudonym Henry Cecil; practiced briefly after retirement in Stroudsburg, Pa.