Harry Harrison, Evelyn E. Smith, John Victor Peterson, Jr. Irving E. Cox, Richard R. Smith, Jacques Jean Ferrat, George H. Smith, Forrest J. Ackerman, Walt Sheldon, Robert F. Young, Marion Zimmer Bradley, Robert J. Shea, Richard E. Lowe, M. A. Cummings, William Logan, Eando Binder, Charles E. Fritch, William Gerken, David C. Knight, Robert Abernathy, Carl Jacobi, H. Beam Piper, Alan E. Nourse, Andre Norton, Henry Kuttner, Poul Anderson, Frank Belknap Long