Caught in an atomic accident, U.S. Air Force Captain Allen Adam was disintegrated. Somehow his mind survived the destruction of his body, and, mutated by radiation, he eventually managed to reconstitute his corporeal form. Now superhuman, he adopted the costumed identity of Captain Atom, a persona he used to fight the enemies of his country. such as Doctor Spectro, Ghost, and Fiery-Icer.

He regularly partnered with Nightshade.

*Space Adventures #33-40, 42
*Captain Atom #78-89
*Strange Suspense Stories #75-77 (re-prints)

*Captain Atom was Alan Moore's inspiration for his Watchmen character, Dr. Manhattan.
*Captain Atom was the first superhero to be co-created by Steve Ditko.
*The Ditko costume design for Captain Atom is somewhat similar to the main costume design for the earlier Atoman character. It also has elements in common with the later Firestorm character from DC comics, possibly since the Firestorm costume is very similar indeed to Atoman's costume design.

*[https://dc.wikia.com/wiki/Allen_Adam_(Earth-Four) DC Database]
*[http://www.toonopedia.com/capatom1.htm Toonopedia]
*[http://en.wikipedia.org/wiki/Captain_Atom Wikipedia]
*[http://www.internationalhero.co.uk/c/capatom2.htm International Hero]
*[https://comicvine.gamespot.com/captain-atom-allen/4005-96401/ Comicvine]
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