Carl W. Ganzlin, Frank Belknap Long, George T. Spillman, Jack Williamson, Robert Silverberg, Fritz Leiber, August Derleth, Edward Halibut, Allen K Lang, Ray Bradbury, Harry Harrison, Henry Kuttner, Robert Sheckley, Philip K. Dick, George O Smith, Philip José Farmer, Fredric Brown, Arthur C. Clarke, Isaac Asimov, Clifford D. Simak, Robert A. Heinlein & Evan Hunter
Philip K. Dick, Harry Harrison, Ray Bradbury, Clifford D. Simak, Robert Sheckley, Robert Silverberg, Evan Hunter, Arthur C. Clarke, Poul Anderson, William Hope Hodgson, Murray Leinster, Frank M. Robinson, Isaac Asimov, Robert A. Heinlein, Jack Williamson & Fredric Brown
Arthur C. Clarke, Frederik Pohl, Harry Harrison, Fritz Leiber, Robert A. Heinlein, Ray Bradbury, Clifford D. Simak, Robert Silverberg, Isaac Asimov & Jack Williamson
Ray Bradbury, Arthur C. Clarke, Isaac Asimov, Robert A. Heinlein, Robert Silverberg, Murray Leinster, William Hope Hodgson, Frank M. Robinson, Clifford D. Simak & Jack Williamson
