Doctor Solar, Man of the Atom — Gold Key
Issue: #24 -12C
Last valuation update: 2026-03-25
Professor Harbinger: "Caterpillar Cutups" First 15¢ Issue, Variant: 12¢ on cover (see pic below).
Creators: George Wilson, Ernie Colon, Dick Wood, Al McWilliams
Characters: Professor Harbinger, Doctor Solar, Dr. Clarkson, Gail Sanders, Cybernoid