Atomic Timeline

  • 430


    Discovered the atom
  • Antoine Laviosier

    Antoine Laviosier
    figured out that although matter may change its form or shape, its mass always remains the same.
  • John Dalton

    John Dalton
    created Dalton’s Atomic Theories
  • W.K. Roentgen

    W.K. Roentgen
    discovered Xrays
  • Henri Becquerel

    Henri Becquerel
    Discovered Radioactivity.
  • J.J. Thomson

    J.J. Thomson
    created the plum pudding model and preformed the cathode ray tube experiment.
  • Marie Curie

    Marie Curie
    discovered Polonium and Radium
  • Max Planck

    Max Planck
    founder of the quantum theory
  • Hans Geiger

    Hans Geiger
    He made a machine that could shoot light through gold foil.
  • Robert Milikan

    Robert Milikan
    preformed the Oil Drop Experiment
  • Ernest Rutherford

    Ernest Rutherford
    Preformed the gold foil experiment
  • Neils Bohr

    Neils Bohr
    created Bohr's Planetary Model
  • Werner Heisenberg

    Werner Heisenberg
    figured out that by measuring an electron's properties by hitting it with gamma rays would change the electron's behavior
  • Erwin Schrodinger

    Erwin Schrodinger
    Came up with the Quantum Mechanical model
  • James Chadwick

    James Chadwick
    Discovered Neutrons
  • Enrico Fermi

    Enrico Fermi
    discovered that nuclear transformation occurs in almost every element when bombarded with neutrons
  • The Greeks

    The Greeks
    The greeks came up with such sciences and mad a large impact on all future discoveries.