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Dr. Harold Hadley is a military scientist and surgeon who resided in Central City. He is also the scientist who illegally experimented on the late Bette Sans Souci, against her will.[1]


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Not much is known about Harold Hadley, except that he was a military surgeon, and that he had his medical office in Englewood.[1]


The Flash[]

Season 1[]

Behind the scenes[]

  • In the DC comics, Harold Hadley was a U.S. Air Force aide of General Wade Eiling and a member of the Captain Atom Project. Secretly, Hadley was an agent of the Manhunters. Deeming Captain Atom as one of many threats to the Manhunters, Hadley plotted to publicly expose the Captain Atom Project but his plan was discovered by Eiling, who personally killed him.


  1. 1.0 1.1 "Plastique"