National Museum of Nuclear Science & History
Leo James Rainwater was an American physicist and winner of the 1975 Nobel Prize in Physics. As a graduate student at Columbia University, Rainwater assisted the Manhattan Project through research in the Substitute Alloy Materials (SAM) Lab.
I. A. Butcher worked for the Kellex Corporation at the K-25 Plant.
Joseph M. DiJulio served as a sergeant in the 393rd Bombardment Squadron. He was regularly assigned as a radar operator on the Up An’ Atom, but did not fly in that plane during the August 1945 bombing missions on Hiroshima and Nagasaki.