National Museum of Nuclear Science & History
C. E. Lawrence worked for the Oak Ridge Recreation and Welfare Association.
Kreitzberger worked in the 200 East Area at Hanford during the Manhattan Project.
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.
Bryand worked at Los Alamos during the Manhattan Project.