History of the Atom

By Konicke
  • 500 BCE

    Democritus

    Democritus
    -He created the atomic theory of the universe
    -father of modern science
  • John Dalton

    John Dalton
    -introduced atomic theory to chemistry
  • Dmitri Mendeleev

    Dmitri Mendeleev
    -founder of the periodic table
    -predicted the properties of 8 elements that were not founded yet
  • Eugene Goldstein

    Eugene Goldstein
    -the discoverer of anode rays
    -sometimes credited of the discovery of the proton
  • J.J Thomson

    J.J Thomson
    -discovered and identified the electron
    -discovered the first subatomic particle
  • Max Planck

    Max Planck
    -discovered the energy quanta
    -that won him the noble prize
  • Robert Millikan

    Robert Millikan
    -measured the elementary electronic charge
    -worked on the photoelectric effect
  • Ernest Rutherford

    Ernest Rutherford
    -discovered the concept of radioactive half-life
    -father of nuclear physics
  • niels bohr

    niels bohr
    -made contribution to atomic structure and quantum theory
    -developed the bohr model of the atom
  • Erwin Schrodinger

    Erwin Schrodinger
    -discovered numbers of fundamental results in the field of quantum theory
    -formulated wave equation
  • James Chadwick

    James Chadwick
    -discovered the neutron
    -inspired research about the atomic bomb
  • Werner Heisenberg

    Werner Heisenberg
    -one of the key people for the quantum mechanics
    -know for the Heisenberg uncertainty principle