- George O. Smith
- George O. Smith
- Larry Sternig
- H. P. Lovecraft
- George O. Smith
- George O. Smith
- Mrs. M. A. Pittock
- Richard Wilson
- Stanton A. Coblentz
- Arnold Marmor
- Winston K. Marks
- Joseph Slotkin
- Ross Rocklynne
- F. L. Wallace
- Dwight V. Swain
- Gordon R. Dickson
- A. Dastre
- Randall Garrett
- Willard E. Hawkins
- Keith Bennett
- Alfred Coppel
- James Blish
- Basil Wells
- Jules Verne
- Poul Anderson
- Mack Reynolds
- Alfred Coppel
- Charles L. Harness
- Gardner F. Fox
- James McKimmey
- Carl Jacobi
- Frederik Pohl