National Museum of Nuclear Science & History
David B. James, Jr. served in the 1st Ordnance Squadron.
Part of the Special Engineer Detachment (SED), Donald C. Harms was first sent to Oak Ridge, Tennessee, to work on the Manhattan Project.
Carter worked in the United States Engineer District Office.
Helen R. Hughes was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
