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