National Museum of Nuclear Science & History
D. Z. Elliott worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. G. Williams worked for Clinton Laboratories at the X-10 Reactor.
Robert Lyste Thornton was a Canadian-American physicist who oversaw the constuction and operation of the Beta calutron electromagnetic separation Plant in Oak Ridge, Tennessee during the Manhattan Project.
Clarence H. Mathews was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.