H. B. Fyfe, Milton Lesser, Arthur Dekker Savage, August Derleth, Alan E. Nourse, James Blish, James Mckimmey, Jr., Warren Lapine, Keith Laumer, Mari Wolf, Boyd Ellanby, Alvin Heiner, Don Berry, Mack Reynolds, Kenneth O'Hara, Dave Dryfoos, Jim Harmon, Mark Clifton, R. A. Lafferty, Russ Winterbotham, Richard Wilson, Alex Apostolides, Alfred Coppel, Frank M. Robinson, Ralph Sholto, Russell Burton, Robert Moore Williams, Charles Fontenay, Winston Marks, Jerome Bixby, Andersen Horne, L. Major Reynolds & J. F. Bone
Mark Clifton, Alex Apostolides, C. M. Kornbluth, Jerome Bixby, Russell Burton, Walter Bupp, Raymond Jones, Arthur Feldman, Murray Leinster, Allan Danzig, Bradner Buckner, Stephen Barr, Mack Reynolds, Milton Lesser, Sterner Meek, Frank Banta, Frank Herbert, H. Beam Piper, Francis Stevens, Fritz Leiber, James Schmitz & Robert Abernathy