National Museum of Nuclear Science & History
Matthei worked for Stone and Webster Engineering Corporation.
Abram A. Brumfield served in the 1027th Air Material Squadron.
Beyer worked in the United States Engineer District Office.
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.
