National Museum of Nuclear Science & History
L. A. Riden worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Norman B. McIntosh served as a sergeant in the 393rd Bombardment Squadron.
Arthur N. Jaffey was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Carl Neumann worked for the United States Engineer District Office.