National Museum of Nuclear Science & History
Harvey Grove worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Harry W. Nolte served in the 603rd Air Engineering Squadron.
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.
O'Brien worked for Stone and Webster Engineering Corporation.
Joe R. Brown served as a corporal in the 393rd Bombardment Squadron. He was the radar operator regularly assigned to the B-29 Some Punkins.