Other authors: Brian W. Aldiss (Contributor), Poul Anderson (Contributor), Stephen Baxter (Contributor), Gregory Benford (Contributor), Arthur C. Clarke (Contributor) — 31 more, Hal Clement (Contributor), Avram Davidson (Contributor), Greg Egan (Contributor), H. B. Fyfe (Contributor), Joe Haldeman (Contributor), Alexander Jablokov (Contributor), R. A. Lafferty (Contributor), Geoffrey A. Landis (Contributor), Ursula K. Le Guin (Contributor), Paul J. McAuley (Contributor), Jack McDevitt (Contributor), Ian McDonald (Contributor), Michael Moorcock (Contributor), Larry Niven (Contributor), G. David Nordley (Contributor), Edgar Pangborn (Contributor), Frederick Pohl (Contributor), Robert Reed (Contributor), Keith Roberts (Contributor), Kim Stanley Robinson (Contributor), James H. Schmitz (Contributor), Robert Silverberg (Contributor), Cordwainer Smith (Contributor), Michael Swanwick (Contributor), James Tiptree, Jr. (Contributor), Jack Vance (Contributor), John Varley (Contributor), Vernor Vinge (Contributor), Walter Jon Williams (Contributor), Gene Wolfe (Contributor), Roger Zelazny (Contributor)