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National Museum of Nuclear Science & History

Mary E. Karraker

Project StaffHanford, WA

Oak Ridge, TNY-12 Plant
Manhattan Project VeteranProject Worker/Staff
The Alpha Racetrack at the Y-12 Plant in Oak Ridge, Tennesee

Mary Karraker worked for the Tennessee Eastman Corporation at the Y-12 Plant.

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Roy K. Balliet served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Big Stink, and he and his crew were later reassigned to Luke the Spook.

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