National Museum of Nuclear Science & History
Baldwin worked for Stone and Webster Engineering Corporation.
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.
Harvey Matthioson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ingri Prestbo worked for the United States Engineer District Office.