National Museum of Nuclear Science & History
Frank Vaughan was a research associate at the Chicago Met Lab during the Manhattan Project.
Ellen L. Akin was a staff worker at Los Alamos during the Manhattan Project.
Daniel D. Friel was a chemical engineer for the DuPont Company who joined the Manhattan Project at the University of Chicago in 1943.
W. B. Reynolds worked for the Tennessee Eastman Corporation at the Y-12 Plant.