National Museum of Nuclear Science & History
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.
Ridley worked at the 300 Area at Hanford during the Manhattan Project.
Robert Serber (1909-1997) was an American physicist. He was recruited by J. Robert Oppenheimer to work on the Manhattan Project.
