About
An American author of science fiction and fantasy works, he wrote Imaginary Worlds and also edited the Ballantine Adult Fantasy series.
Before Fame
After serving in the U.S. Army, he worked as a copywriter.
Trivia
He often attacked organized religion in his literary works.
Family Life
He married Noel Vreeland in 1963.
Associated With
He was influenced by H.P. Lovecraft and wrote several parodies of Lovecraft's stories.