National Museum of Nuclear Science & History
Robert C. Hirt was a research assistant 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.
Brewer worked at the 200 East Area at Hanford during the Manhattan Project.
