National Museum of Nuclear Science & History
R. G. Cooper worked for the Union Carbide & Carbon Corporation.
Vaughn worked at the 200 West Area at Hanford during the Manhattan Project.
August “Gus” Knuth was a millwright and carpenter who helped construct Chicago Pile-1. He was present on December 2, 1942 when the pile went critical in the first self-sustaining chain reaction in history.
Bergan worked in the United States Engineer District Office.
