National Museum of Nuclear Science & History
Stanley Bloom worked for the Roane-Anderson Company.
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.
J. B. Livingston worked for the Roane-Anderson Company. He was the first civilian employee on the ground at Oak Ridge.
Fred Whitehead was a staff member at Los Alamos during the Manhattan Project.