National Museum of Nuclear Science & History
Fred R. Williams worked for Clinton Laboratories at the X-10 Reactor.
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.
Henry Jarrell, Jr. worked for the Kellex Corporation at the K-25 Plant.
Springer worked at the 200 West Area at Hanford during the Manhattan Project.