National Museum of Nuclear Science & History
Paul E. Leach served in the 393rd Bombardment Squadron.
Wayne Marshall was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
B. Roswell Russell worked at the Metallurgical Laboratory in Chicago during the Manhattan Project. He was one of seventy signers of the Szilard Petition.
Chastain worked in the United States Engineering District Office.