Forrest J Ackerman was an American collector of science fiction books and movie memorabilia and a science fiction fan. Ackerman, known as "Forry" or "4e" or "4SJ", was influential not only in the formation, organization, and spread of science fiction fandom, but had long also been a key figure in the wider cultural acceptance of science fiction as a literary, art and film genre.
Ackerman is also remembered as the editor-writer of the magazine "Famous Monsters of Filmland", as well as for being an occasional author, actor, producer (Vampirella), and literary agent for Scientology founder, L. Ron Hubbard.
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