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Hahn, Otto (1879–1968)




Otto Hahn
German chemist awarded the 1944 Nobel Prize in Chemistry for his work on nuclear fission. With Lise Meitner he discovered the new element protactinium; later they bombarded uranium with neutrons, treating the uranium with ordinary barium. Meitner showed that the residue was radioactive barium formed from the splitting (fission) of the uranium nucleus. The element hahnium is name after him.


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   • CHEMISTS