National Museum of Nuclear Science & History
P. D. Simpson worked for the Poe Piping & Heating Company.
Hall Smith, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Lew Kowarski was a Russian-born French physicist. He worked as part of the team that discovered that neutrons were emitted in the fission of uranium-235 in the 1930s, setting the groundwork for the use of nuclear chain reactions in the design of the atomic bomb.
Robert E. Smithson served as a master sergeant in the the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Strange Cargo.
