National Museum of Nuclear Science & History
Waverly Smith was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Butts worked for Stone and Webster Engineering Corporation.
Owen Chamberlain (1920-2006) was an American physicist and winner of the 1959 Nobel Prize. He joined the Manhattan Project in 1942 after his graduate studies were interrupted by World War II.
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.