National Museum of Nuclear Science & History
Clarence Signaigo was a laboratory helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Banwell worked at the 300 Area at Hanford during the Manhattan Project.
Boring worked in the United States Engineer District Office.
George Kehl was a metallurgist and professor at Columbia University’s School of Mines. He worked at Los Alamos on the Manhattan Project.
Belcher worked in the United States Engineer District Office.