National Museum of Nuclear Science & History
Louis Schaffer served in the 1395 Military Aviation Group.
J. N. Holt 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.
L. C. Hafer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
