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National Museum of Nuclear Science & History

Joseph Sedor served in the 390th Air Service Group.

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Michael Cefola

Chicago, IL

Michael Cefola was an American chemist and a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

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C. W. Danford worked at the 100-D Area at Hanford during the Manhattan Project.

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Mumford worked in the 200 East Area at Hanford during the Manhattan Project.