by Dick Hank
by Richard Jefferies
by H. G. (Herbert George) Wells
by Fritz Leiber
by Harlan Ellison
by Ben Bova
by Stephen Marlowe
by Edmond Hamilton
by Jack Sharkey
by Fritz Leiber
by Frederik Pohl
by Dave Dryfoos
by Jeff Sutton
by Henry Kuttner
by Donald E. Westlake
by Edgar Pangborn
by Robert Sheckley
by John Bernard Daley
by James Blish
by Anthony Boucher
by J. D. (John Davys) Beresford
by Louis Charbonneau
by Richard Wilson
by Stephen Marlowe
by Fritz Leiber
by Robert F. Young
by Bryce Walton
by A. Earley
by Jerome Bixby
by Kendell Foster Crossen
by H. B. (Horace Bowne) Fyfe
by Herbert D. Kastle
by Bryce Walton
by Bryce Walton
by Dean Evans
by Edward W. Ludwig
by Wallace Umphrey
by Alan Edward Nourse
by James E. Gunn
by Mack Reynolds
by Roger D. Aycock
by Cicely Hamilton
by Chester S. Geier
by Herbert D. Kastle
by William J. Brittain
by Joel Nydahl
by James V. McConnell
by Fox B. Holden
by Miguel Hidalgo
by Arthur Dekker Savage