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National Museum of Nuclear Science & History

John B. Nicklin

Project StaffOak Ridge, TN

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

John Nicklin worked for the United States Engineer District Office.

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William Crum

K-25 Plant

William Crum was born on September 4, 1925, in Hancock County, IL.  He was the seventh of eight siblings who grew up on a farm in Western Illinois near the Mississippi River.

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Opal Adamson

Y-12 Plant

Opal Adamson worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Joseph A. Haaga

Research & Development/300 Area

Joseph “Joe” A. Haaga (1919-1974) was a nuclear engineer who worked on the Manhattan Project. Born in 1919, Haaga graduated from Notre Dame in June 1940 with a B.