Sarah Whitehead Famous Dead Guys

By sarahw1516
  • 101

    Thales - 400 BC

    First philosopher and first person to think about what the world was made of
  • 101

    Aristotle - 500 BC

    Believed everything was made of water, fire, air, and earth.
  • 101

    Democritus - 500 BC

    First person to think of a small, undividable particle - the atom

  • Issac Newton

    First experiments, created laws of motion

  • John Dalton

    Major contributor to atomic theory

  • JJ Thompson

    Plum Pudding Model, Cathode Ray Tube

  • Robert Millikan

    Oil drop experiment, found mass of electron

  • Ernest Rutherford

    Gold foil experiment, discovered proton and the nucleus

  • Niels Bohr

    Developed Bohr model, thought electrons traveled in orbits

  • Francis Aston

    Discovered isotopes, mass spectrogram experiment

  • ErwinmSchrödinger

    Discovered Electron clouds

  • Antoine Henri Bequerel

    Uranium experiment, discovered radioactivity