National Museum of Nuclear Science & History
R. E. Breathitt worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Roderick W. Spence was an American physical chemist who worked on the Manhattan Project at Los Alamos.
Boyce D. McDaniel was a physicist at the Manhattan Project’s Los Alamos, NM laboratory.
A. M. Jenkins worked for the United States Engineer District Office.