National Museum of Nuclear Science & History
M. E. Ritchie served in the 390th Air Service Group.
Colonel Arthur “Pete” V. Peterson was the Army’s area engineer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Sarah Archer worked as a nurse at Oak Ridge during the Manhattan Project. She was responsible for monitoring the radiation levels of the Calutron operators at the Y-12 Plant.