Jan Christian Smuts, Reinhold Frederick Alfred Hoernlé, John Patrick Dalton, Robert Broom, John Frederick Vicars Phillips, Ian D Maccrone, John Young Thomson Greig, Theodorus Johannes Haarhof, Cecil Sydney Richards, Sally Herbert Frankel
Fritz Leiber, Ron Goulart, Wallace West, Algis Budrys, Con Blomberg, F. L. Wallace, Tom Purdom, Bill Doede, George O. Smith, Richard Sabia, Philip K. Dick, Jr. Walter M. Miller, Laurence Janifer, Herbert D. Kastle, Jack Sharkey, Richard R. Smith, Sydney Van Scyoc, Stanley R. Lee, Edgar Pangborn, R. A. Lafferty, Clifford D. Simak, James Stamers, Jim Harmon, C. M. Kornbluth