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National Museum of Nuclear Science & History

John Mench

Pattern MakerLos Alamos, NM

Oak Ridge, TNTrinity Site
Manhattan Project VeteranMilitary VeteranSpecial Engineer Detachment
John Mench Listen to John Mench’s Oral History on Voices of the Manhattan Project

John Mench was assigned to the Special Engineer Detachment at Los Alamos where he worked as a pattern maker, creating wooden casts for metal work at the site’s foundry.

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