- Arthur Gray
- Murray Leinster
- Frederik Pohl
- George O. Smith
- Alice A. Parmelee Morris
- George O. Smith
- Henry Kuttner
- H. De Vere Stacpoole
- Edwin Lester Arnold
- Stephen Marlowe
- Jack Owen Jardine
- Rog Phillips
- Dwight V. Swain
- Gordon R. Dickson
- Edmond Hamilton
- Randall Garrett
- Dwight V. Swain
- Robert Silverberg
- Randall Garrett
- Ed Earl Repp
- R. R. Winterbotham
- H. G. Wells
- Stanley Mullen
- Poul Anderson
- Henry James
- Henry Kuttner
- Basil Wells
- Antonio Beltramelli
- Nelson S. Bond
- Charles V. De Vet
- Robert F. Young
- Philip José Farmer