Ben Bova, H. G. Wells, Poul Anderson, John W. Campbell, Lester del Rey, Robert A. Heinlein, Cyril M. Kornbluth, Henry Kuttner, C. L. Moore, Eric Frank Russell, Cordwainer Smith, Theodore Sturgeon, Jack Williamson, Others, Michael David Axtell, L J Ganser, Chris Andrew Ciulla, Mark Boyett, Graham Halstead, Oliver Wyman, Cary Hite, Josh Hurley, Tim Gerard Reynolds, Clark, Roger, Fred Berman · First published 1973
