Fritz Leiber & Robert Bloch & Clifford D. Simak & Ray Bradbury & Theodore Sturgeon & John W. Campbell, Jr. & Lester Del Rey & Eric Frank Russell & Jack Williamson & Murray Leinster & Henry Kuttner & C. L. Moore & Arthur C. Clarke & John Wyndham & Robert A. Heinlein & Philip José Farmer & A. E. Van Vogt & Edmond Hamilton & L. Sprague de Camp & Isaac Asimov & Edward E. Smith