Atomic Theory Timeline

Timeline created by jwill11
  • 356

    Aristotle

    Aristotle
    Aristotle was a Greek philosopher and did not believe in the atomic theory. He believed that humans contained fire, water, air, and earth.
  • 415

    Democritus

    Democritus
    Democritus was a philosopher. Democritus believed that everything in the world contains atoms.
  • John Dalton

    John Dalton
    John Dalton was a chemist, meteorologist and physicist. He is mainly known for his work towards the modern day atomic theory.
  • J.J. Thomson

    J.J. Thomson
    J.J. Thomson was a British physicist. J.J, won the Nobel Peacde Prize in 1906 in the Physics department. J.J. was well known for his discovery of the electron.
  • Hantaro Nagaoka

    Hantaro Nagaoka
    Nagaoka was a Japanese physicist. Nagaoka was known for his incorrect model of the atom.
  • Ernest Rutherford

    Ernest Rutherford
    Ernest Rutherford was a chemist and a physicist. He claimed that atoms have their positive charge concentrated in a very small nucleus.
  • Niels Bohr

    Niels Bohr
    Niels Bohr was a Danish physicist. He beleived that electrons traveled in circular waves around the atom.
  • Erwin Schrodinger

    Erwin Schrodinger
    Erwin Schrodinger was a physicist. Erwin was a father of quantum mechanics. Schrodinger suggested that electrons travel in a wave around the protons and neutrons.