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.
Palmer worked in the 100 F Area at Hanford during the Manhattan Project.
Arthur was a staff member at Los Alamos during the Manhattan Project.
Lewis worked in the 200 W Area at Hanford during the Manhattan Project.