National Museum of Nuclear Science & History
Copeland worked in the United States Engineer District Office.
Bryson worked at the 300 Area at Hanford during the Manhattan Project.
Cornelius worked in the United States Engineer District Office.
Boyette worked at the 100-B Area at Hanford during the Manhattan Project.
George Koval was an American chemical engineer and one of the most important Soviet spies of the 20th century.