National Museum of Nuclear Science & History
F. C. Armistead worked for the Union Carbide & Carbon Corporation.
Jas McCarthy worked for the Kellex Corporation at the K-25 Plant.
J. Robert Oppenheimer (1904-1967) was an American theoretical physicist. During the Manhattan Project, Oppenheimer was director of the Los Alamos Laboratory and responsible for the research and design of an atomic bomb.
Sayers worked for Stone and Webster Engineering Corporation.