National Museum of Nuclear Science & History
Robert Williams was a staff worker at Los Alamos during the Manhattan Project.
Jesse Kupferberg was a Technical Sargeant in the US Army who participated in Project Alberta, the group tasked with transporting and assembling the two atomic bombs in 1945.
Robert F. Christy (1916-2012) was a Canadian-American theoretical physicist Christy’s doctoral advisor at the University of California, Berkeley was Robert Oppenheimer, but Christy’s initial involvement with the Manhattan Project came at the Metallurgical Lab at the University of Chicago.