National Museum of Nuclear Science & History
Robert L. Butenhoff worked in the Instrument and Physical Measurements Group in Clinton Laboratories at the X-10 Reactor.
Harold Lichtenberger was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Robert O. Willis served in the 603rd Air Engineering Squadron.
Dorris Young was a staff worker at Los Alamos during the Manhattan Project.