National Museum of Nuclear Science & History
Mary Stephens worked for the United States Engineer District Office.
Harold Argo was a physicist. He worked at Los Alamos National Laboratory beginning in 1944. He was married to physicist Mary Argo.
Monroe Schaff worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George Maronde was a security guard at the University of Chicago Metallurgical Lab. He stood guard outside Stagg Field when Chicago Pile-1 went critical on December 2, 1942.
John Harding worked for the Tennessee Eastman Corporation at the Y-12 Plant.
