National Museum of Nuclear Science & History
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.
Cloyd worked in the United States Engineer District Office.
T. J. Grogan worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Martha G. Johnson was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.