David H. Keller, M.D. (1880-1966) was indeed a medical doctor (a psychiatrist -- and the first to write science fiction).
He was an early proponent of H.P. Lovecraft and wrote a number of articles on Lovecraft's work, whose influence can be seen in some of his horror stories. Another influence was James Branch Cabell.
This volume concentrates on Keller's fantasy and horror, but does include --... [click here for more]