Harry Harrison, Frank Belknap Long, Philip José Farmer, Alan E. Nourse, Poul Anderson, H. Beam Piper, Philip K. Dick, Warren Lapine, Richard R. Smith, Evelyn E. Smith, Judith Merril, John Foster West, Lyn Venable, Walt Sheldon, C. L. Moore, Robert J. Shea, V. E. Thiessen, Basil Wells, Henry Slesar, Charles E. Fritch, William Campbell Gault, George Edrich, Roger Dee, David C. Knight, Sam Merwin Jr., Frederic Max, M. C. Pease, William F. Nolan, Irving E. Cox, Jr. & Robert Moore Williams