James Blish, Edward W. Ludwig, Arthur C. Clarke, Jack Vance, I. M. Bukstein, Harry Harrison, Robert Silverberg, Ross Rocklynne, Lester del Rey, Clifford D. Simak, Fredric Brown, Poul Anderson, John Bernard Daley, Paul Ernst, Henry Slesar, Frederik Pohl, H. G. Wells, Charles L. Fontenay, Robert Sheckley, Murray Leinster, Isaac Asimov, Frank Belknap Long, Sol Boren, Fritz Leiber, Evan Hunter, George O Smith, Algis Budrys, Ray Bradbury & Philip K. Dick
Robert Silverberg, Sol Boren, Lester del Rey, Fredric Brown, Frederik Pohl, John Bernard Daley, Paul Ernst, James Blish, Henry Slesar, Ross Rocklynne, Charles L. Fontenay, Murray Leinster, Philip K. Dick, Isaac Asimov, Harry Harrison & Algis Budrys
Philip K. Dick, Paul Ernst, Murray Leinster, Jack McKenty, August Derleth, Harry Harrison, Fritz Leiber, Mike Ellis, Lawrence F. Willard, George O Smith, James Blish, John Bernard Daley, Fredric Brown, Henry Slesar, Ross Rocklynne & Sol Boren
Sol Boren, Murray Leinster, John Bernard Daley, Paul Ernst, James Blish, Ross Rocklynne, Henry Slesar, Charles L. Fontenay, Harry Harrison & Isaac Asimov
Alfred Coppel, Irving Cox, Jr., Harry Harrison, August Derleth, Sol Boren, Lawrence F. Willard, Jack McKenty, Fritz Leiber, Winston Marks, Richard R. Smith, Charles L. Fontenay, Philip K. Dick, Murray Leinster, James Mckimmey, Jr., Ray Bradbury, Paul Ernst, William Morrison, Robert Zacks, John Bernard Daley & James Blish
