Forrest J Ackerman, American soldier and author (died 2008)

Forrest James Ackerman was an American magazine editor; science fiction writer, and literary agent; a founder of science fiction fandom; a leading expert on science fiction, horror, and fantasy films; a prominent advocate of the Esperanto language; and one of the world's most avid collectors of genre books and film memorabilia. He was based in Los Angeles, California.