National Museum of Nuclear Science & History
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.
Urban worked at the 200 West Area at Hanford during the Manhattan Project.
Audrey Smythe worked for the Union Carbide & Carbon Corporation.
Robert W. Dawson served in both the Special Engineering Detachment and Project Alberta.
