National Museum of Nuclear Science & History
B. D. Manchester worked for the Roane-Anderson Company.
Silvilers worked at the 200 East 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.
G. G. Underwood worked for the Tennessee Eastman Corporation at the Y-12 Plant.
