National Museum of Nuclear Science & History
Julia Wynne was a chemist in the Y-12 Plant in Oak Ridge, Tennessee from June 1944 through the end of the war.
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.
R. D. Evans worked at the 200 West Area at Hanford during the Manhattan Project.