Dr. David H. Keller (1880-1966) was a physician who worked with “abnormals†in various state mental institutions before he became a full-time author in the 20s. He began writing novels but in 1928 had “The Revolt of the Pedestrians†published in Amazing Stories, and in the succeeding 25 years had dozens more stories featured in pulps like Weird Tales and Ten Story Book. He served in both world wars as an army officer and retired from writing short stories in 1952.