Heads of Apex

Francis Flagg

Ralph Milne Farley, David Henry Keller, Arthur J. Burks, Bob Olsen, Francis Flagg, John W. Campbell, Rae Winters, Otis Adelbert Kline, E. Hoffman Price, Abner J. Gelula, Raymond A. Palmer, A. Merritt, J. Harvey Haggard, Edward E. Smith Ph.D., P. Schuyler Miller, L. A. Eshbach, Eando Binder, Edmond Hamilton, Rae Winters (Raymond Arthur Palmer), L.A. Eshbach (Lloyd Arthur Eshbach)

Robert E. Howard, Mary Elizabeth Counselman, Edmond Hamilton, Francis Flagg, Clark Ashton Smith, Lin Carter, Eric Frank Russell, Leslie J. Johnson, Ray Bradbury, Robert Bloch, Henry Kuttner, H.P. Lovecraft, August Derleth

Francis Flagg

David H. Keller, Harl Vincent, Bob Olsen, Francis Flagg

Garth Bentley, Francis Flagg, P. Miller, Raymond Palmer, Charles Tanner

Edmond Hamilton, Francis Flagg, Thomas H. Knight