Cover of Superman #21

Superman

#21

March-April 1943 · 0.10 USD · 68 pages


Synopsis

Clark Kent is the only reporter invited to the testing of a cannon made of the new X-Alloy, but when it explodes, it leads Superman to the Lingle Steel Corporation, manufacturer the alloy, only to discover the plant honeycombed with spies.

Credits

Script
Jerry Siegel, Henry Boltinoff, Whitney Ellsworth, Wally Walker
Pencils
Jack Burnley, Ed Dobrotka, Henry Boltinoff, Leo Nowak, Whitney Ellsworth, Joe Shuster, Sam Citron
Inks
Jack Burnley, John Sikela, Henry Boltinoff, Leo Nowak, Whitney Ellsworth, George Roussos, Sam Citron
Letters
Henry Boltinoff
Editor
Whitney Ellsworth
Actual editor
Jack Schiff

Ratings

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