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National Museum of Nuclear Science & History

Related Profiles

Frank C. Cook

Los Alamos, NM

Calvin B. Popwell

Tinian Island

Calvin B. Popwell served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Big Stink, and he and his crew were later reassigned to Luke the Spook.

John Kenyon Kinnear, Sr.

Oak Ridge, TN

John Kenyon Kinnear, Sr. was raised in Brooklyn, NY. He joined the Army and because he was a tool and die maker, he was assigned to the Manhattan Project.

L. D. Leeper

Hanford, WA