Walter Bupp

Walter Bupp, G. Harry Stine, Laurence M. Janifer, John W. Campbell Jr., John Berryman, Tom Purdom, Theodore L. Thomas, Leonard Lockhard, Mark Phillips, Randall Garrett

Walter Bupp

Idella Purnell Stone with Jay Williams (Contributor), Eric Frank Russell (Contributor), Robert A. Heinlein (Contributor), John W. Campbell Jr. (Contributor), Alex Apostolides (Contributor), Mark Clifton (Contributor), R. Bretnor (Contributor), Robert F. Young (Contributor), Murray Leinster (Contributor), Walter Bupp (Contributor), Randall Garrett (Contributor), Frederic Brown (Contributor), James H. Schmitz (Contributor), Mack Reynolds (Contributor), Zenna Henderson (Contributor), Isaac Asimov (Contributor)

Walter Bupp, Fritz Leiber, Mack Reynolds, Arthur Feldman, Francis Stevens, S.P. Meek, C.M. Kornbluth, H. Beam Piper, Frank Herbert, Robert Abernathy, Alex Apostolides, Milton Lesser, Murray Leinster, Russell Burton, Mark Clifton, Raymond F. Jones, Allan Danzig, Stephen Barr, Jerome Bixby, Frank Banta, Bradner Buckner, James H. Schmitz

Mark Clifton with Fritz Leiber, James H. Schmitz, Frank Herbert, Alex Apostolides, Francis Stevens, Walter Bupp, H. Beam Piper, S.P. Meek, Jerome Bixby, C.M. Kornbluth, Raymond F. Jones, Bradner Buckner, Stephen Barr, Russell Burton, Frank Banta, Arthur Feldman, Allan Danzig, Murray Leinster, Milton Lesser, Mack Reynolds, Robert Abernathy