National Museum of Nuclear Science & History
Hilda Uchiyamada was a research assistant at the Metallurgical Laboratory in Chicago 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.
A. O. Seidel worked for the Asbestos & Magnesia Materials Company.