Ray Bradbury, Isaac Asimov, Clifford D. Simak, Ernest Kinoy, Frederik Pohl, Fritz Leiber, George Lefferts, J.T. McIntosh, James Blish, L. Sprague de Camp, Philip K. Dick, Poul Anderson, Robert A. Heinlein, Robert Block, Robert Sheckley, Robert Silverberg, Theodore Sturgeon, Thomas Godwin & William Tenn
