National Museum of Nuclear Science & History
C. E. Mitchell worked for the Roane-Anderson Company.
C. D. Wilder 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.
Jack Pierard was a communications clerk in the Hanford Engineering Works from January 1944 through the end of the war.