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.
Margaret Ramsey Keck (1923-2016) was an American physicist. Soon after she graduated in 1945 from the University of Rochester with a degree in physics, Keck was hired by the Manhattan Project to work at Los Alamos.
G. W. Candler worked for the Roane-Anderson Company.
J. H. Marsh worked for the Kellex Corporation at the K-25 Plant.