National Museum of Nuclear Science & History
Bradley worked in the United States Engineer District Office.
Mark Fred was a research assistant in the chemistry division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John E. Cantlon served as a 2nd lieutenant in the 393rd Bombardment Squadron. He participated in the mission to Nagasaki as the co-pilot of the Big Stink, though he was regularly assigned to the Necessary Evil.
