Frederik Pohl, Poul Anderson, Isaac Asimov, James Blish, Robert Bloch, John W. Campbell, Arthur C. Clarke, Lester del Rey, Lloyd Arthur Eshbach, Hugo Gernsback, Robert A. Heinlein, Fritz Leiber, Willy Ley, Frank R. Paul, E. E. Smith, Theodore Sturgeon, A. E. van Vogt, E. Mayne Hull · First published 1975
