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National Museum of Nuclear Science & History

John Heer

Project Staff Hanford, WA

Manhattan Project VeteranProject Worker/Staff

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Leon O. Jacobson

Chicago, IL

Leon O. Jacobson was Associate Director of the Health Division and Section Chief of H-I, Clinical Medicine and Medical Research, at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Robert Winkel

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R. A Winkel worked for the Union Carbide & Carbon Corporation. At Oak Ridge he assisted in the development of the K-25 plant.

J. Raymond Dahl

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J. Raymond Dahl worked at the 300 Area at Hanford during the Manhattan Project.

W. F. West

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West worked at the 100-B Area at Hanford during the Manhattan Project.