National Museum of Nuclear Science & History
L. L. Kelly worked for the United States Engineer District Office.
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.
Johnson worked at the 200 West Area at Hanford during the Manhattan Project.
C. D. Knable worked for the J.A. Jones Construction Company.
