...Forrest J Ackerman, who died Thursday at 92 of a heart attack in Los Angeles, was all these things and many more: literary agent for such science fiction authors as Ray Bradbury, Isaac Asimov, A.E. van Vogt, Curt Siodmak and L. Ron Hubbard; actor and talisman in more than 50 films ... editor of Famous Monsters of Filmland magazine and creator of the Vampirella comic.... ...Born in Los Angeles in 1916, Ackerman traced the birth of his vocation to 1926, when he read his first "scientifiction" tale in an early issue of Amazing Stories... ...His dream of bringing together the...