atomic theory timeline

Main

Democritus

370 BC

Aristotle

350 BC

Lavoisier

1774

Dalton

1803

Mendeleev

1869

JJ Thomson

1897

Planck

1900

Einstein

1905

Millikan

1909

Rutherford

1911

Bohr

1913

deBroglie

1923

Pauli

1925

Heisenberg

1927

Hund

1927

Schrodinger

1930

Chadwick

1932