by H. G. (Herbert George) Wells
by W. Elwyn (Waldo Elwyn) Backus
by Donald A. Wollheim
by John Hollis Mason
by Edgar Rice Burroughs
by H. G. (Herbert George) Wells
by H. G. (Herbert George) Wells
by Garrett Putman Serviss
by George Du Maurier
by Manly Wade Wellman
by Charles L. Fontenay
by H. G. (Herbert George) Wells
by Edwin Lester Arnold
by R. R. (Russell Robert) Winterbotham
by Fritz Leiber
by Alex Apostolides, Mark Clifton
by Fritz Leiber
by Allen Glasser, A. R. (Alec Rowley) Hilliard
by Karen Anderson, Poul Anderson
by Henry Slesar
by Richard Rein Smith
by Roger D. Aycock
by Henry Kuttner
by Frank Belknap Long
by Garrett Putman Serviss
by Raymond Z. Gallun
by Wallace West
by Leigh Brackett
by Robert Moore Williams
by Robert Abernathy
by Clifford D. Simak
by Noel M. Loomis
by Louis Charbonneau
by Richard Wilson
by Bryce Walton
by Wenzell Brown
by George O. (George Oliver) Smith
by William Tenn
by Albert dePina
by Bryce Walton
by H. G. (Herbert George) Wells
by Erik Fennel
by Robert Moore Williams
by Erik Fennel
by Chester Whitehorn
by Fox B. Holden
by Basil Wells
by Frederic Arnold Kummer
by Randall Garrett
by Erik Fennel
by James R. Adams
by Mack Reynolds
by Vernon L. McCain
by George A. Whittington
by Leslie Perri
by Robert Wilson
by Bascom Jones
by Harry Cord, Otis Adelbert Kline
by Charles A. Stearns
by Bryce Walton
by Arnold Marmor
by Arthur G. Hill
by Ross Rocklynne
by D. L. (Daniel Lewis) James
by Allen Kim Lang
by Robert Shea
by Manfred A. Carter
by Dean Evans
by Henry Andrew Ackermann
by Ray Van Houten
by Charles L. Fontenay
by David R. Bunch
by John Wiggin
by Joseph Farrell
by James R. Adams
by Miles J. (Miles John) Breuer
by Arnold Marmor
by Alfred Coppel
by George O. (George Oliver) Smith
by Richard Rein Smith
by Paul W. Fairman
by Joseph Shallit
by Arnold Marmor
by Henry Hasse
by Edgar Rice Burroughs
by Raymond F. Jones
by Millard Grimes