James Stamers
Keith Laumer
Charles Vincent de Vet
F. L. Wallace
Jim Harmon
Marshall King
Patrick Fahy
Edgar Pangborn
Lester Del Rey
Fritz Leiber
Murray Leinster
Alan E. Nourse
Poul Anderson
H. Beam Piper
H. B. Fyfe
Jerome Bixby
Alfred Coppel
Henry Josephs
Larry Shaw
Algis Budrys