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
Alfred Coppel, Winston Marks, August Derleth, Harry Harrison, George T. Spillman, C. H. Thames, Fritz Leiber, Robert Sheckley, Philip K. Dick, Henry Slesar, Robert Silverberg & Fredric Brown
Philip K. Dick, Ray Bradbury, Erik Fennel, C. H. Thames, Bjarne Kirchhoff, Robert Silverberg, Russ Winterbotham, Lawrence F. Willard, Richard R. Smith, Frederik Pohl, Ross Rocklynne, George Whittington, John Bernard Daley, William Morrison, Fredric Brown & Henry Slesar
Mack Reynolds, Rog Phillips, Ray Bradbury, Erik Fennel, Jack McKenty, Fredric Brown, Frederik Pohl, Charles L. Fontenay, Poul Anderson, William Morrison, H. B. Fyfe, Henry Slesar, Richard R. Smith & Harry Harrison
Arnold Castle, Alexander Blade, Robert Silverberg, Russ Winterbotham, Jack McKenty, Winston Marks, Fritz Leiber, Fredric Brown, Lyman D. Hinckley, Frank M. Robinson, Alan E. Nourse, C. H. Thames, William F. Nolan, Philip K. Dick, Henry Slesar & William Morrison
Sol Boren, Murray Leinster, John Bernard Daley, Paul Ernst, James Blish, Ross Rocklynne, Henry Slesar, Charles L. Fontenay, Harry Harrison & Isaac Asimov
William Bender Jr., Ray Bradbury, G. Gordon Dewey, Charles E. Fritch, Edward W. Ludwig, James V. McConnell, Stanley Mullen, Robert Silverberg, Jerry Sohl, Henry Slesar, L.J. Stecher, Jr. & Various Authors