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