Sir James ChadwickBorn 20 Oct 1891; died 24 Jul 1974 at age 82. English physicist who received the Nobel Prize for Physics (1935) for his discovery of the neutron. He studied at Cambridge, and in Berlin under Geiger, then worked at the Cavendish Laboratory with Rutherford, where he investigated the structure of the atom. He worked on the scattering of alpha particles and on nuclear disintegration. By bombarding beryllium with alpha particles, Chadwick discovered the neutron - a neutral particle in the atom's nucleus - for which he received the Nobel Prize for Physics in 1935. In 1932, Chadwick coined the name “neutron,” which he described in an article in the journal Nature. He led the UK's work on the atomic bomb in WW II, and was knighted in 1945.« |
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