Sid Greene (art Language Master of Space ! ) books & textbook
From Beyond the Unknown #23, Aug. 1973
Nick Cardy (cover) Otto Binder ( Secret of the Man-Ape ! ) Gardner Fox ( Language-Master of Space ! ,World of Doomed Spacemen ) Sid Greene (art Language-Master of Space ! ) Carmine Infantino (pencils Secret of the Man-Ape ! ) Joe Giella (inks Secret of the Man-Ape ! ) Mike Sekowsky( pencils World of Doomed Spacemen), Bernard Sachs (inks World of Doomed Spacemen )
DC Comics /1973-01-01 Comic
