Jack Vance, Fritz Leiber, Arthur C. Clarke, Poul Anderson, Theodore Sturgeon, Robert A. Heinlein, Robert Sheckley, Gordon R. Dickson, L. Sprague de Camp, James H. Schmitz, Isaac Asimov, Fredric Brown, H. Beam Piper, C.M. Kornbluth, C.L. Moore, A.E. van Vogt, Murray Leinster, P. Schuyler Miller, Eric Flint, Tom Godwin, Keith Laumer, Rick Raphael, Christopher Anvil, Wyman Guin, Ross Rocklynne, Chester S. Geier