National Museum of Nuclear Science & History
Violet Longtin worked for the United States Engineer District Office.
Madonna Elaine Thennes was in born 1925. When she had just graduated from high school in Pocahontas, Arkansas, in 1943, her father told her the military had good-paying jobs for civilians in a new place in Oak Ridge, Tennessee.
Wilcox P. Overbeck was a research associate and instrumentation designer at the Chicago Met Lab. He was responsible for calling out the neutron count when Chicago Pile-1 went critical on December 2, 1942.