National Museum of Nuclear Science & History
Lyle Smith worked for the United States Engineer District Office.
C. D. Cowan worked for the Tennessee Eastman Corporation at the Y-12 Plant.
A. J. MacDonald worked for the Union Carbide & Carbon Corporation.
Marjorie Hall Bradner was a secretary at Los Alamos during the Manhattan Project. She was also the wife of Los Alamos physicist Hugh Bradner.
