National Museum of Nuclear Science & History
Fred Dennis worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Calhoun worked at the 100-B Area at Hanford during the Manhattan Project.
E. H. Douglas worked at the 300 Area at Hanford 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.