Henderson (December 26, 1951 – July 4, 2014[1]) was an American writer of horror, hardboiled crime fiction and comic books, known for such works as the Piers Knight and Teddy London series.

Lovecraft, Poul Anderson, Frank Miller, Stan Lee, Alan Moore, Clifford D. Simak, John Brunner, Philip K. Dick, James Clavell, Lester Dent, Jonathan Swift, Edgar Rice Burroughs, C. J. Cherryh, Sax Rohmer, Rex Stout, Jack Vance, Brett Halliday, Jack London, C.L.

[5] Before he was able to make a living from writing, Henderson worked in a variety of jobs, such as cooking, waiting tables and washing dishes in the food service industry, managing a movie theater, interior painting, and working as a blackjack dealer, road crew technician, salesman and bank guard.

He has worked in education as an instructor of English and creative writing, drama coach and camp counselor.

Henderson also contributed to the SFWA Bulletin, the official publication of the Science Fiction and Fantasy Writers of America.