National Museum of Nuclear Science & History
McCabe worked for Stone and Webster Engineering Corporation.
Chipman worked in the United States Engineer District Office.
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.
Margaret Garrett lived in Oak Ridge, TN with her husband Merrill Garrett and their son Gordon during the Manhattan Project.
