National Museum of Nuclear Science & History
Lois Roy worked for the United States Engineer District Office.
Paul R. O’Connor was a junior chemist at the University of Chicago Met Lab during the Manhattan Project.
George W. Marquardt served as a captain in the 393rd Bombardment Squadron. Although he was regularly assigned to the Up An’ Atom, he flew in the mission to bomb Hiroshima as the aircraft commander of the Necessary Evil.