National Museum of Nuclear Science & History
C. B. Proudfoot worked for the United States Engineer District Office.
Jack Smith was a staff worker at Los Alamos during the Manhattan Project.
Raymond Lowrey worked at the Hanford, Washington site for the Manhattan Project from 1943 to 1948. Lowrey began his career in the Oklahoma Ordnance Works before moving to Hanford and settling in Richland, Washington after the war.
