National Museum of Nuclear Science & History
O. N. Hall worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Leroy Jackson was transferred into the Manhattan District, the branch of the United States Army Corps of Engineers tasked with overseeing the construction of critical Manhattan Project sites, shortly after its formation in 1942.
Charles Schallis (1898-1965) was a staff worker at Los Alamos during the Manahttan Project.
R. W. Pulliam worked for the United States Engineer District Office.
