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National Museum of Nuclear Science & History

Mary Elizabeth Long (Barnes)

Radiochemist Oak Ridge, TN

Y-12 Plant
Manhattan Project Veteran
The Y-12 Plant in Oak Ridge, Tennessee

Mary Elizabeth Barnes was a radiochemist working in the Y-12 Plant in Oak Ridge, Tennessee from 1946 to 1952. Barnes was a graduate of the University of Auburn, earning a degree in Chemical Engineering. During the war, Barnes had worked in a land mine factory in Michigan, before moving to Oak Ridge for work in radiochemistry. 

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