Isaac Asimov, Ben Bova, William Tenn, Harry Harrison, Lloyd Biggle Jr, Clark Ashton Smith, Edmond Hamilton, Larry Niven, Fritz Leiber, Norman Spinrad, Ursula K. Le Guin, Raymond Z. Gallun, Walter M. Miller Jr., Arthur C. Clarke, Alexei Panshin, Alfred Coppel, Robert Sheckley, Cyril M. Kornbluth, Robert Silverberg, Gordon R. Dickson, Theodore Sturgeon, Eric Frank Russell, Edward Wellen, Harlan Ellison, Jack Wodhams and Chad Oliver
