National Museum of Nuclear Science & History
Burghardt worked in the United States Engineer District Office.
D. R. Johnson worked for the Roane-Anderson Company.
Ralph worked at the 300 Area at Hanford during the Manhattan Project.
T. J. O’Donnell was the Shop Chief at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John C. Hansen served as a Master Sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Laggin’ Dragon.