National Museum of Nuclear Science & History
John Otto worked for Clinton Laboratories at the X-10 Reactor.
Robert Boyd Williams was a Major General in United States Army Air Forces and Commanding General, Second Air Force, headquartered in Colorado Springs, CO.
Lee W. Trybell worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
