Rudolph Belarski Earle Bergey Leslie Bigelow Jerome Bixby Leigh Brackett Fredric Brown Polton Cross Kendell F. Crossen Ray Cummings L. Sprague de Camp DeFordMiriamAllen Roger Dee Gordon R. Dickson John Russell Fearn Oscar J. Friend Charles E. Fritch Raymond Z. Gallun Gotthard Gunther Edmond Hamilton Keith Hammond L. Ron Hubbard Lewis Island Carl Jacobi Colin G. Jameson Pat Jones A. Kulik Henry Kuttner Murray Leinster Willy Ley Frank Belknap Long Noel M. Loomis John D. MacDonald Richard Matheson R.J. McGregor Judith Merril Sam Merwin P. Schuyler Miller William Morrison Leslie Northern Chad Oliver Walter Popp Fletcher Pratt Mack Reynolds Robert S. Richardson Ross Rocklynne Eric Frank Russell Sergeant Saturn Alex Schomburg Walt Sheldon George O. Smith Phyllis Sterling Smith Carter Sprague Margaret St. Clair Charles A. Stearns Robert Sherman Townes Jack Vance Stanley G. Weinbaum Wallace West Robert Moore Williams Jack Williamson Norman B. Wiltsey Arthur Leo Zagat Isaac Asimov Arthur K. Barnes Richard Barr John Barrett Clyde Beck E.K. Bergey Jack Binder Otto O. Binder James Blish Hannes Bok Anthony Boucher Gerald Bowman Reginald A. Bretnor George Agnew Chamberlain A. Bertram Chandler Arthur C. Clarke Ed M. Clinton Stanton A. Coblentz Jack Coggins Dorothy DeCourcy John de Courcy Walt Dennis Philip K. Dick Graham Doar Dave Dryfoos Bruce Elliott Paul Ernst Robert C.W. Ettinger E. Everett Evans Philip Jose Farmer R.L. Farnsworth H.B. Fyfe Thomas S. Gardner William Campbell Gault C. Sterling Gleason G. Gnarlen James E. Gunn Warren Guthrie Gene L. Henderson Benson Herbert Frank Herbert A.R. Hilliard Malcolm Jameson Raymond F. Jones Herbert D. Kastle David Henry Keller Damon F. Knight Charles F. Ksanda Frederic Arnold Kummer Matt Lee Thorne Lee Fritz Leiber Jack Lewis C.H. Liddell Robert Donald Locke Wesley Long Winston K. Marks Emmett McDowell Tom McMorrow Walter Miller Robertson Osborne Wilbur S. Peacock Peter Phillips Rog Phillips Arthur Porges Ed Earl Repp Joel Townsley Rogers Tarr Roman Oliver Saari Alexander Samalman Nathan Schachner Joseph Shallit Harry J. Shay Joseph Slotkin Clark Ashton Smith Ford Smith Curt Storm Ernest Tucker Bryce Walton Mort Weisinger Manly Wade Wellman H.H. West Stanley Whiteside George Whitley J.B. Wood John Wyndham Robert F. Young Robert Zacks