Reginald Bretnor, Poul Anderson, Ben Bova, Hal Clement, Gordon R. Dickson, James E. Gunn, Frank Herbert, Anne McCaffrey, Alan Edward Nourse, Alexei Panshin, Cory Panshin, Frederik Pohl, Thomas N. Scortia, Theodore Sturgeon, Jack Williamson, George Zebrowski · First published 1975
