Philip K. Dick, Isaac Asimov, Poul Anderson, Bryce Walton, William Morrison, Robert Sheckley, Randall Garrett, Lester del Rey, Jerry Sohl, Alan Edward Nourse, Mike Lewis, Cyril M. Kornbluth, Frank M. Robinson, H. B. Fyfe, George Oliver Smith, Damon Knight, Henry Kuttner, C. L. Moore and H. Beam Piper
