Ray Bradbury, Arthur C. Clarke, Robert Sheckley, August Derleth, Fredric Brown, Mildred Clingerman, R. Bretnor, Kris Neville, Clifford D. Simak, Idris Seabright, John Langdon, James Blish, Mack Reynolds, Alex Apostolides, Murray Leinster, John Anthony, Mark Clifton, T.L. Sherred