Atomic Timeline

By adamhollis
  • 460

    Democritus

    Democritus states all matter is made of particles
  • Period: 460 to

    Scientists

  • John Dalton

    Atomic Theory- all matter is composed of atoms

  • Marie Curie

    Discovered new elements

  • JJ Thomson

    Cathode Ray Tube

  • Robert Millikan

    Charge of the electron

  • Ernest Rutherford

    Gold foil experiment

  • Neihls Bohr

    solved negative electron problem

  • Albert Einstein

    Manhattan Project