National Museum of Nuclear Science & History
Paul Sperling was a staff worker at Los Alamos during the Manhattan Project.
Philip S. Anderson was a major in the US Army and worked at Oak Ridge, TN during the Manhattan Project.
Kistler worked in the 200 West Area at Hanford during the Manhattan Project.
Harold Powell worked for the United States Engineer District Office.
Earl K. Hyde was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.