by Donald A. Wollheim
by C. M. (Cyril M.) Kornbluth
by R. R. (Russell Robert) Winterbotham
by Isaac Asimov
by H. P. (Howard Phillips) Lovecraft
by E. E. (Edward Elmer) Smith
by Jesse F. (Jesse Franklin) Bone
by E. E. (Edward Elmer) Smith
by Ray Bradbury
by Philip K. Dick
by Jesse F. (Jesse Franklin) Bone
by H. Beam Piper
by Bob Olsen
by Harry Harrison
by George Du Maurier
by Harold Calin
by Manly Wade Wellman
by Charles L. Fontenay
by Edgar Rice Burroughs
by Murray Leinster
by Edgar Pangborn
by Clifford D. Simak
by Daniel F. Galouye
by James H. Schmitz
by Katherine MacLean
by Ray Bradbury
by E. E. (Edward Elmer) Smith
by Piers Anthony
by A. (Aleksandr) Bogdanov
by H. Beam Piper
by Philip José Farmer
by Neil R. Jones
by Theodore Sturgeon
by Les Cole
by James H. Schmitz
by Harry Harrison
by Peter Baily
by Jr. L. J. Stecher
by Frank Belknap Long
by A. E. (Alfred Elton) Van Vogt
by Edward W. Ludwig
by Edmond Hamilton
by Evelyn E. Smith
by Murray Leinster
by Fletcher Pratt
by Edmond Hamilton
by Camille Flammarion
by Fritz Leiber
by Alex Apostolides, Mark Clifton
by William W. Stuart
by Robert H. Rohrer
by Poul Anderson
by Leigh Brackett
by Philip José Farmer
by Manly Banister
by Robert F. Young
by Robert Silverberg
by Edmond Hamilton
by Evelyn E. Smith
by James B. (James Bradun) Alexander
by Robert Sheckley
by Edmond Hamilton
by Evelyn E. Smith
by Landell Bartlett
by Damon Knight
by Murray Leinster
by Keith Laumer
by H. B. (Horace Bowne) Fyfe
by Robert Silverberg
by Algis Budrys
by Richard Wilson
by Leigh Brackett
by Gene L. Henderson
by F. L. (Floyd L.) Wallace
by George O. (George Oliver) Smith
by Frank Belknap Long
by Richard S. Shaver
by Allen Glasser, A. R. (Alec Rowley) Hilliard
by Murray Leinster
by Poul Anderson
by Keith Laumer
by Mark Clifton
by Robert Emmett McDowell
by Randall Garrett
by Edgar Rice Burroughs
by Murray Leinster
by George O. (George Oliver) Smith
by Jerome Bixby
by Poul Anderson
by Christopher Anvil
by Robert F. Young
by Evelyn E. Smith
by R. A. Lafferty
by C. L. (Catherine Lucile) Moore
by Henry Slesar
by Murray Leinster
by Lester Del Rey
by Murray Leinster
by Keith Laumer
by Raymond Z. Gallun