Forrest J Ackerman (born Forrest James Ackerman; November 24, 1916 – December 4, 2008) was an American magazine editor, science fiction writer and literary agent, a founder of science fiction fandom, a leading expert on science fiction and fantasy films, and acknowledged as the world's most avid collector of genre books and movie memorabilia. He was based in Los Angeles, California. This article uses material from the Wikipedia article "Forrest J Ackerman", which is released under the Creative Commons Attribution-Share-Alike License 3.0.