National Museum of Nuclear Science & History
O. W. Manz, Jr. worked for the Union Carbide & Carbon Corporation.
John C. Delmar, Jr. served in the 603rd Air Engineering Squadron.
Anton Kegl was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Mary McCormick was a secretary at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
