The Atom and The Periodic Table

  • James Chadwick
    1932 BCE

    James Chadwick

    English physicist who was famous or his discovery of the neutron
  • Heisenberg
    1925 BCE

    Heisenberg

    German theoretical physicist and one of the key pioneers of quantum mechanics.
  • H.G. Moseley
    1887 BCE

    H.G. Moseley

    an English physicist whos work justified rom physical laws of the previous empirical and chemical concept of the atomic number
  • Niels Bohr
    1885 BCE

    Niels Bohr

    Danish physicistfoundational contributions to understanding atomic structure and quantum theory
  • Hans Geiger
    1882 BCE

    Hans Geiger

    a German physicis best known as the co-inventor of the detector element of the Geiger–Marsden experiment which discovered the atomic nucleus
  • Lise Meitner
    1878 BCE

    Lise Meitner

    Austrian-Swedish physicist who worked on radioactivity and nuclear physics.
  • Ernest Rutherford
    1871 BCE

    Ernest Rutherford

    New Zealand physicist who came to be known as the father of nuclear physics
  • R.A. Millikan
    1868 BCE

    R.A. Millikan

    American experimental physicist known for the measurement of the elementary electronic charge
  • Marie Curie
    1867 BCE

    Marie Curie

    a Polish and naturalized-French physicist and chemist who conducted pioneering research on radioactivity.
  • J.J. Thomson
    1865 BCE

    J.J. Thomson

    English physicist
  • Dmitri Mendeleev
    1834 BCE

    Dmitri Mendeleev

    Russian chemist and inventor. He created a farsighted version of the periodic table of elements
  • John Dalton
    1766 BCE

    John Dalton

    English chemist best known for his pioneering work in the development of modern atomic theory
  • Isacc Newton
    1667 BCE

    Isacc Newton

    English mathematician and astronomer. He was a key igure in the scientific revolution.
  • democritus
    490 BCE

    democritus

    Ancient Greek pre-Socratic philosopher know best today for his formulation of an atomic theory.