An American science fiction author, he’s known for such works as the Well World series, The Three Kings trilogy, as well as the Rings from the Expert series. He was a founding person in the Baltimore Technology Fiction Culture. After going to Towson University or college and Johns Hopkins University or college, he taught background and geography in the Baltimore general public schools. His books frequently involve a physical change of the primary character. He wedded Eva C. Whitley in 1978. He and Whitley became parents to two sons: David and Steven. He loved reading the functions of Robert Heinlein.