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National Museum of Nuclear Science & History

Clifford C. Johnson

Project StaffHanford, WA

Manhattan Project VeteranProject Worker/Staff

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Harold N. Petty

Hanford, WA

Patricia Cox Owen

Washington, DC

Patricia Cox Owen joined the Manhattan Project in 1942, where she worked as a secretary for General Groves on the fifth floor of the New War building in Washington, D.

Nathan Kaplan

K-25 Plant

Attended the City College of New York.

L. L. Larson

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Larson worked in the 200 West Area at Hanford during the Manhattan Project.