Cover inks credits from Nick Caputo via the GCD Error List (30 January 2009); the original indexer credited Dick Ayers. Letters credit from George Olshevsky.
Egghead is the first villain to reappear and become a member of Ant-Man's rogues gallery (such as it was), becoming his arch-enemy; he next appears in issue #45 (July 1963).
Text story with illustration.
D'Agostino letters credit per Nick Caputo. George Olshevsky's Marvel Comics Index erroneously credited John Duffy.
Letters credit from George Olshevsky's Marvel Comics Index.