National Museum of Nuclear Science & History
Leon Leventhal was a nuclear chemist and radiation expert who worked at Oak Ridge, the University of Chicago’s Met Lab, and Los Alamos Laboratory during the Manhattan Project.
Robert B. Duffield was a Researcher at the Los Alamos National Laboratory from 1943 to 1946. He later worked at the Argonne National Lab.
Robert A. Benson served in the 603rd Air Engineering Squadron.
John Ryan was a staff worker at Los Alamos during the Manhattan Project.
