National Museum of Nuclear Science & History
M. R. Pierce worked for the Kellex Corporation at the K-25 Plant.
Millard Ross was a staff worker at Los Alamos during the Manhattan Project.
Waldo F. Christy was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Chipman worked in the United States Engineer District Office.
K. C. McGregor worked for the Edenfield Electric Company.
