National Museum of Nuclear Science & History
Melvin Bengston was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
David Dow was a lawyer. He served as administrative assistant to J. Robert Oppenheimer. He was in charge of non-technical activities at Los Alamos and the Compagna Hill monitoring site, 20 miles from the Trinity test.
Butler worked at the 300 Area at Hanford during the Manhattan Project.
John Brand joined the Manhattan Project in 1943 while working at the Ilion, N.Y. plant of Remington Arms, Co.