National Museum of Nuclear Science & History
Leamon Babb was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Fred Patrick worked in DuPont's Chamber Works in Deepwater, NJ in 1943 on Manhattan Project work.
Edward F. “Ed” Hammel was an American chemist. Hammel had just completed his Ph.D. at Princeton University when he joined a Canadian heavy water project sponsored by the school in 1941.
