- George O. Smith
- E. E. Smith
- Stephen Marlowe
- Frank M. Robinson
- Julian Hawthorne
- Rog Phillips
- Mack Reynolds
- Edmond Hamilton
- Thomas S. Gardiner
- Stanley Mullen
- Stanley Mullen
- Ross Rocklynne
- Carl Jacobi
- Leigh Brackett
- John Broome
- Sepharial
- Jack Williamson
- H. Beam Piper
- Alexander J. McIvor-Tyndall
- Ignatius Donnelly


















