National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
Watt worked at the 200 West Area at Hanford during the Manhattan Project.
M. V. Griscom worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Charles White served in the 603rd Air Engineering Squadron.
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.
