National Museum of Nuclear Science & History
John Shoemaker was a staff worker at Los Alamos during the Manhattan Project.
Kidder worked in the 100 D Area at Hanford during the Manhattan Project.
Stanley Robertson was a mechanical engineer in the Special Engineer Detachment serving at Oak Ridge, Tennessee.
Jas Howard worked for the United States Engineer District Office.
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.