Isaac Asimov, Martin H. Greenberg, Charles G. Waugh, A. E. van Vogt, Eric Frank Russell, Bob Shaw, Mark Clifton, Philip K. Dick, Walter M. Miller Jr., Lester del Rey, Avram Davidson, Piers Anthony, Philip E. High, William Tenn, Albert Flynn, Fred Saberhagen and Henry Kuttner
Rudy Rucker, Isaac Asimov, Norman Kagan, Greg Bear, Ruth Berman, Anatoly Dnieprov, Martin Gardner, Ian Watson, Kathryn Cramer, George Zebrowski, Douglas R. Hofstadter, Don Sakers, Larry Niven, William F. Orr, Marc Laidlaw, Robert Sheckley, Henry Gross, Frederik Pohl and Gregory Benford
