Atomic Theory Timeline By bubbygubby Jan 1, 1772 Antoine Lavoisier discovered Carbon. Jan 1, 1779 Antoine Lavoisier discovered Oxygen. (Born:1743; Died: 1794) Jan 1, 1783 Antoine Lavoisier discovered Hydrogen. Jan 1, 1803 Dalton published his Law of Partial Pressures Dec 1, 1897 J.J Thomson discovered the electron by preforming his famous gold foil experiment. Jan 1, 1898 Marie Curie discovered radioactivity in elements. Dec 14, 1900 Max Planck presented his theoretical explanation involving quanta. Dec 1, 1905 Albert Einstein discovered law of gravity. 1905-1916 Dec 1, 1908 Robert Millikan measured the charge of an electron. Dec 1, 1911 Ernest Rutherford described the atom as having a central positive nucleus and surrounding negative electrons. Dec 1, 1922 Niels Bohr creates a model showing levels of electrons orbiting the nucleus. Dec 1, 1924 Louis de Broglie predicted the wave nature of electrons. Jan 1, 1926 Erwin Schrodinger involved mathematics to find the chances of finding an electron. Jan 1, 1927 Werner Heisenberg uses mostly mathematics to study the behavior of electrons. Dec 1, 1932 James Chadwick discovered how the nucleus and neutron functioned.
