J. F. Coughlin

Sarah Archer

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.

William Chiles

Mary Lou Curtis

Mary Lou Curtis joined the Manhattan Project in Dayton, Ohio in 1943. Mrs. Curtis worked in the Counting Room at Monsanto’s Unit III facility, where she developed new methods to measure and analyze radioactive materials, such as polonium, which was used as the trigger for the atomic bombs.

H. B. Olsen