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