Fritz Leiber, Robert Silverberg, Philip K. Dick, James Tiptree Jr., Philip José Farmer, Mark Twain, Arthur Conan Doyle, Robert A. Heinlein, John Varley, Charles L. Harness, Damon Knight, James Blish, Edmond Hamilton, Murray Leinster, Daniel Keyes, Cordwainer Smith, Renato Pestriniero, Silvano Barbesti