Isaac Asimov, Stanley G. Weinbaum, John W. Campbell, Lester del Rey, Milton A. Rothman, Robert A. Heinlein, Hal Clement, A. J. Deutsch, James Blish, William Morrison, Jerome Bixby, Arthur C. Clarke, James E. Gunn, H. Beam Piper, Walter S. Tevis, Larry Niven · First published 1971
