Artists who drew stories for this EC title were Feldstein, Wood, Williamson, Frazetta, Joe Orlando, Bernard Krigstein, Angelo Torres, George Evans, Reed Crandall and Jack Kamen.
Writers included Feldstein, Gaines, Harlan Ellison (who contributed a single story in issue 24), Otto Binder, Jack Oleck, and Carl Wessler.
Feldstein worked with Major Donald Keyhoe, a former marine pilot who was considered the leading popular writer on the subject at the time.
With an emphasis on moral messages and retributive justice when dealing with both current social issues and science-fantasy, some comics were called 'preachies'.
Themes of mechanical metaphors, to defamiliarize the reader with concepts of work, ownership, and generation of wealth were used to talk about race through the genera conventions of robots and aliens.