Allen Adam was working on an experimental rocket and he was accidentally launched into space. As he entered the upper atmosphere, the rocket exploded and Allen was atomized. However, he gained atomic abilities and was able to reform his body when he returned to the ground. Also, his hair would turn white when he transformed. He outfitted a red and yellow costume for himself and he became Captain Atom.

Crisis on Infinite Earths

Adam and his fellow heroes helped fight the Anti-Monitor and his minions during the Crisis on Infinite Earths. Following the Crisis, Adam helped Superman and Firestorm on a mission before he was erased from existence, replaced by the New Earth version of Captain Atom.




Power Loss: Both Captain Atom and Firestorm's powers become neutralized when they are near each other.[5]

  • This version of Captain Atom, including all history and corresponding appearances, was initially erased from existence following the collapse of the original Multiverse in the 1985–86 Crisis on Infinite Earths limited series. However the ending of Convergence retroactively prevented that collapse, saving all the alternate realities, though in an "evolved" form. Even though versions of the character may have since appeared, this information does not apply to those versions.
Allen Adam...s 001

The name confusion in two frames.

  • Captain Atom's pre-Crisis origin would be modified and used as the government's "official origin" of the post-Crisis Captain Atom as a cover-up.