National Museum of Nuclear Science & History
H. B. Whitmore worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Daniel D. Friel was a chemical engineer for the DuPont Company who joined the Manhattan Project at the University of Chicago in 1943.
Cleo Wangsness was a staff worker at Los Alamos during the Manhattan Project.
