National Museum of Nuclear Science & History
D. T. Eggen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ernest William Titterton was a British nuclear physicist who worked on the Manhattan Project as part of the British Mission to Los Alamos.
Jack Hefner joined the Manhattan Project at Oak Ridge in 1943. Hefner was a reactor engineer and helped supervise the construction of the X-10 Graphite Reactor.