National Museum of Nuclear Science & History
David R. Inglis was an American physicist who worked on the atomic bomb configuration design at Los Alamos from 1943 to 1946.
Melvin Bengston was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Baldwin Sawyer is an American metallurgist. After graduating from Yale with a B.S. in Physics in 1943, Sawyer joined the Manhattan Project at the University of Chicago.