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Cock·croft(kŏk′krôft′, -krŏft′), Sir John Douglas 1897-1967.
British physicist who with Ernest Walton succeeded in splitting atomic nuclei by bombarding them with protons. The two men shared a 1951 Nobel Prize for this work.
(Biography) Sir John Douglas. 1897–1967, English nuclear physicist. With E. T. S. Walton, he produced the first artificial transmutation of an atomic nucleus (1932) and shared the Nobel prize for physics 1951
Cock•croft(ˈkɒk krɔft, -krɒft)
Sir John Douglas, 1897–1967, English physicist.