National Museum of Nuclear Science & History
Mathias A. Klinger was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Marion Long worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Marvin Tetenbaum was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Raymond G. Gallagher served as a sergeant in the 393rd Bombardment Squadron. He was assigned to the Great Artiste as a gunner and assistant flight engineer.
