Issue: #26
Last valuation update: 2026-10-20
Superman stars in a tale of Professor Cobalt's clinic!Professor Cobalt's Quack Clinic -- Trapped in the Snow -- Rescued -- Ingrid Svenson's Inheritance -- Introducing "Miss X" -- Message to the Major Part 2 -- Claim Jumpers -- The Jagtooth Gold Mine.Superman: Professor Clarence Cobalt runs a clinic where he claims to cure infantile paralysis. When he tries to place an ad in the Daily Planet, Clark...
Creators: Sheldon Moldoff, Whitney Ellsworth, Gardner Fox, Jerry Siegel, Fred Guardineer, Wayne Boring, Paul Cassidy, Murray Boltinoff, Chad Grothkopf
Characters: Superman, Lois Lane, George Taylor, Pep Morgan, Tex Thomson, Zatara, Tong, Black Pirate, Clip Carson, Whistler Will, Gunner Bill, Fog Fortune