National Museum of Nuclear Science & History
John Brazusky worked for the Roane-Anderson Company.
Nelen Supert was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Martin Webb was an American military officer. In 1944, Webb was assigned to the Manhattan Engineer District as an intelligence officer.