History of Atomic Theory

Events

Democritus

460 BC - 370 BC

Aristotle

384 BC - 322 BC

John Dalton

1766 - 1844

J.J. Thomson

1856 - 1940

Hantaro Nagaoka

1865 - 1950

Robert Millikan

1868 - 1953

Ernest Rutherford

1871 - 1937

Niels Bohr

1885 - 1962

Henry Mosley

1887 - 1915

James Chadwick

1891 - 1974