History Of The Atom Timeline

By alexhall
  • 370

    BC Democritus

    Democritus died.
  • 460

    BC Democritus

    Democritus was born.
    (The year Democritus' atomic theory was proposed is unknown.)

  • Lavoisier

    Lavoisier was born.

  • Lavoisier

    Lavoisier’s atomic theory was proposed in 1789.

  • Lavoisier

    Lavoisier died.

  • Dalton

    Dalton's atomic theory was proposed.

  • Crookes

    Crookes was born.

  • Dalton

    Dalton died.

  • Thomson

    Thomson was born in 1856.

  • Planck

    Planck was born.

  • Mendeleev

    Mendeleevs first periodic table was published.

  • Rutherford

    Rutherford was born in 1871.

  • Soddy

    Soddy was born.

  • Einstein

    Einstein was born.

  • Crookes

    Crookes’ atomic theory was proposed in 1879.

  • Planck

    Planck’s contribution to the atomic theory was in 1880, he presented his thesis of Equilibrium states of isotropic bodies at different temperatures.

  • Bohr

    Bohr was born.

  • Moseley

    Moseley was born.

  • Schrödinger

    Schrödinger was born.

  • Chadwick

    Chadwick was born.

  • Thomson

    Thomson's atomic theory was proposed at around 1897-1903.

  • Mendeleev

    Mendeleev’s contribution to the atomic theory was in 1906.

  • Einstein

    Einstein’s atomic theory was proposed in 1907.

  • Rutherford

    Rutherford’s atomic theory was proposed in 1911.

  • Moseley

    Moseley’s contribution to the atomic theory was proposed in 1912.

  • Bohr

    Bohr completed his theory of atomic structure in 1913.

  • Soddy

    Soddy's atomic theory showed that atoms move lower in atomic number by two places on alpha emission, higher by one place on beta emission in 1913.

  • Bohr

    Bohr’s atomic theory was proposed in 1913.

  • Soddy

    Soddy’s contribution to the atomic theory was proposed in 1913.

  • Moseley

    Moseley died.

  • Crookes

    Crookes died.

  • Schrödinger

    Schrödinger’s atomic theory was proposed in 1926.

  • Einstein, Planck, Millikan, Nernst and Laue

    http://en.wikipedia.org/wiki/File:Nernst,_Einstein,_Planck,_Millikan,_Laue_in_1931.jpg At a dinner given by von Laue in Berlin on 11th November 1931.

  • Chadwick

    Chadwick’s atomic theory was proposed in 1932.

  • Rutherford

    Rutherford died in 1937.

  • Thomson

    Thomson died in 1940.

  • Planck

    Planck died.

  • Einstein

    Einstein died.

  • Soddy

    Soddy died.

  • Bohr

    Bohr died.

  • Chadwick

    Chadwick died.

  • BC Aristotle

    Aristotle was born.
    (The year Aristitle's atomic theory was proposed is unknown.)