National Museum of Nuclear Science & History
A. J. Erickson worked for the Kellex Corporation at the K-25 Plant.
R. W. Llewellyn worked for the United States Engineer District Office.
Aldrich worked in the United States Engineer District Office.
Jack Hefner joined the Manhattan Project at Oak Ridge in 1943. Hefner was a reactor engineer and helped supervise the construction of the X-10 Graphite Reactor.
Anna Cox worked out of the DuPont Chambers Works plant in Carneys Point, New Jersey. Her contribution to the Manhattan Project included administrative work in the plant's transportation department, ensuring that tank cars had the proper bills of lading and ran in and out of the plant efficiently.
