National Museum of Nuclear Science & History
Harrison Brown (1917-1986) was an American geochemist. He worked at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) and Oak Ridge sites during the Manhattan Project.
Hoyt Nelson worked for Clinton Laboratories at the X-10 Reactor.
Sam Anderson worked for the Roane-Anderson Company.
William Haag was a member of the Special Engineering Detachment at Los Alamos from August 1945 to the end of 1946.