Sir James Chadwick

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Chadwick, Sir James,

1891–1974, English physicist, grad. Manchester Univ., 1908. He worked at Manchester under Ernest Rutherford on radioactivity. He was assistant director of radioactive research in the Cavendish Laboratory, Cambridge (1923–35), professor at the Univ. of Liverpool (1935–48), and master of Gonville and Caius College, Cambridge (1948–58). For his discovery of the neutronneutron,
uncharged elementary particle of slightly greater mass than the proton. It was discovered by James Chadwick in 1932. The stable isotopes of all elements except hydrogen and helium contain a number of neutrons equal to or greater than the number of protons.
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 in 1932 he received the 1935 Nobel Prize in Physics. He was knighted in 1945.
References in periodicals archive ?
Just as well, because the current heads of department have a heck of a reputation to live up to, being able to boast three Nobel Prize for Physics winners among its former staff: Charles Glover Barkla, Sir James Chadwick and Prof Sir Joseph Rotblat.
Invited by Prof Sir James Chadwick to join his atomic physics team at the University of Liverpool, he gained his PhD there in 1939.
Sir James Chadwick (1936): Discovery of the Neutron.