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National Museum of Nuclear Science & History

H. F. Pyatt

Project StaffOak Ridge, TN

Manhattan Project VeteranProject Worker/Staff
The Chapel on the Hill in Oak Ridge

Related Profiles

William T. Kelley

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William T. Kelley was drafted in 1942 into the Army and was assigned to the Corps of Engineers’ Manhattan District as part of the counterintelligence element of the project.

William Cavin

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William Cavin was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

P. H. Gray

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Gray worked at the 300 Area at Hanford during the Manhattan Project.

Clarence Yohn

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