National Museum of Nuclear Science & History
Robert Helton worked for the Tennessee Eastman Corporation at the Y-12 Plant.
D. Danser worked for the J.A. Jones Construction Company.
Joseph Kouba was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Sheffield Gordon was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
