National Museum of Nuclear Science & History
L. C. Danielson worked for the J.A. Jones Construction Company.
J. P. Clark worked for the Roane-Anderson Company.
Dorothy Schafer was a staff worker at Los Alamos 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.