National Museum of Nuclear Science & History
John Moonan was a staff worker at Los Alamos during the Manhattan Project.
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
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.
