by Donald A. Wollheim
by E. E. (Edward Elmer) Smith
by Piers Anthony
by Raymond Z. Gallun
by R. R. (Russell Robert) Winterbotham
by Robert F. Young
by Murray Leinster
by Ivar Jorgensen
by Murray Leinster
by Donald A. Wollheim
by Robert Silverberg
by Lester Del Rey
by H. B. (Horace Bowne) Fyfe
by R. A. Lafferty
by James V. McConnell
by Jay Williams
by Ray Cummings
by Dave Dryfoos
by Neil R. Jones
by Evan Hunter
by Charles E. Fritch
by S. J. (Stuart James) Byrne
by Richard Wilson
by Hayden Howard
by D. Allen Morrissey
by Jesse F. (Jesse Franklin) Bone
by Jim Harmon
by Lyman D. Hinckley
by Mary Elizabeth Counselman
by Murray Leinster
by Mike Ellis
by Jack Sharkey
by William J. Brittain
by Florence Carpenter Dieudonné
by Fox B. Holden
by Stanley Mullen