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National Museum of Nuclear Science & History

David E.K. Ryan

Project StaffT-Plant/200 Areas

Hanford, WA
Manhattan Project VeteranProject Worker/Staff
T-Plant

Ryan worked at the 200 West Area at Hanford during the Manhattan Project.

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John Attanas

T-Plant/200 Areas

John Attanas was born in 1920 and grew up on farm near Kingston, New York. After graduating from Georgia Tech in 1942 with a degree in chemical engineering, he worked in a chemistry lab at the Remington Arms Company.