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  Timeline of the Nuclear Age 1930s  1932


Leo Szilard reads H.G. Wellsís novel, The World Set Free, in which Wells prophesizes an atomic war where all the major cities of the world are destroyed.

John Cockcroft and E. T. S. Walton of Great Britain split the atom on a linear accelerator built at Ernest Rutherfordís Cavendish Laboratory at Cambridge University. Their experiment proves Albert Einsteinís theory of relativity.

James Chadwick proves the existence of neutrons using alpha particles striking a beryllium foil. He determines their mass by measuring the recoil tracks of known atoms of the rarefied gas in his cloud chamber.

American experimentalist, Carl Anderson, discovers a new particle--the "positron." It is an electron with a positive charge instead of negative charge.