Doctor Solar, Man of the Atom — Gold Key
Issue: #2
Last valuation update: 2026-03-25
Professor Harbinger: "The Melting Point" First Professor Harbinger.
First appearances: Professor Harbinger
Creators: Paul S. Newman, Bob Fujitani, Richard Powers
Characters: Professor Harbinger, Doctor Solar, Tanek Nuro, Dr. Clarkson, Gail Sanders