National Museum of Nuclear Science & History
T. O’Rouark worked for the United States Engineer District Office.
Stanley C. Apgar served in the 393rd Bombardment Squadron.
Gloria A. Larranaga was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”0 during the Manhattan Project.
Joe W. Howland was a medical officer in charge of special problems in the US Army, stationed in Oak Ridge, Tennessee and Rochester, New York during the Manhattan Project.