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National Museum of Nuclear Science & History

Bradley Marmon

Project WorkerColumbia University

Manhattan Project VeteranMilitary VeteranProject Worker/Staff

Bradley Marmon is a Manhattan Project veteran.

Marmon was born in New York on November 15, 1925. He was a member of the third class to graduate from the Bronx High School. While attending high school, Marmon was selected to work with physicist, Harold Urey, and other scientists at Columbia University, who were busy developing uranium fuel for the proposed atomic bomb. Marmon worked, specifically, on gaseous diffusion, separating two isotopes of uranium, which won him an Army commendation.

After graduating from high school, Marmon served in the Army as a radio operator in the Pacific.

After he returned from the war, Marmon married Betty Lewis in 1947, and because of the G.I. Bill, he enrolled in classes at Columbia University. In 1951, he graduated from Columbia University’s School of Pharmacy. He worked in pharmacies in New York City and Bayshore before moving to Easthampton in 1954.

Marmon died just weeks before his 92nd birthday on October 29, 2017. 

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