Arthur C. Clarke, Frederik Pohl, Isaac Asimov, Willy Ley, G. Harry Stine, George O. Smith, Chan Davis, Lyle G. Boyd, Norbert Wiener, William Morrison, R.S. Richardson, George Gamow, Fred Hoyle, Leo Szilard, Milton A. Rothman, William C. Boyd, Otto Robert Frisch, W. Grey Walter, Don Crowley