History of the Atom

By doolep
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    Democritus

    Democritus
    • Greek philosopher.• Changed history of the atom by coming up with theory that matter is indivisible.• Born 460 BC• Died 370 BC• Matter is indivisible
  • John Dalton

    John Dalton
    • A British chemist and physicist.• Changed history of the atom by coming up with theory that matter is simply composed of atoms of different weights and is combined in ratios by weight.• Born 6th Sept 1766• Died 27th July 1844• Matter is composed of atoms of different weights
  • Michael Faraday

    Michael Faraday
    • Born 22nd Sept 1791• Died 25th Aug 1867• Developed laws of electrolysis.• Was and English scientist
  • George Stoney

    George Stoney
    • Born 15th February 1826• Died 5th July 1911• Introduced the term electron into physics• Anglo-Irish physicist• Published over 70 scientific papers during his life
  • James Maxwell

    James Maxwell
    • Born 13th June 1831• Died 5th November 1879• Formulated set of equations• Scottish theoretical physicist • Demonstrated that electricity, magnetism and light are all the same phenomenon.
  • William Crookes

    William Crookes
    • Born 17th June 1832• Died 1919• Discovered properties of cathode rays
  • Dmitri Mendeleev

    Dmitri Mendeleev
    Created the first version of the periodic table
    Born February 8th 1834

    Died February 2nd 1907

    Russian Chemist and Inventor
  • Wilhem Rontgen

    Wilhem Rontgen
    • Born 27th March 1845• Died 10th February 1923• Produced and detected electromagnetic radiation• Earned first Nobel Prize in physics in 1901
  • Eugene Goldstein

    Eugene Goldstein
    • Born September 5th 1850• Died December 25th 1930• German Physicist• Credited with the discovery of the proton• Discoverer of anode rays• Early investigator of anode rays
  • Max Planck

    Max Planck
    •Born April 23 1858•Died October 4 1947•German theoretical physicist•Originated quantum theory•Won Nobel prize in physics in 1918
  • Ernest Rutherford

    Ernest Rutherford
    •Born 30th August 1871•Died 19th October 1937•New Zealand born British chemist and physicist•Established properties of the nucleus•Also assumed that the location of electrons was outside the nucleus.
  • Frederick Soddy

    Frederick Soddy
    •Born 2nd September 1877•Died 22nd September 1956•English radio chemist •Discovered that radioactivity is due to the transmutation of elements•Proved the existence of isotopes
  • Niels Bohr

    Niels Bohr
    •Born 7th October 1885•Died 18th November 1962•Danish physicist•Made foundational contributions to atomic structure•Received Nobel Prize in physics in 1922
  • Henry Gwyn Jeffreys Moseley

    Henry Gwyn Jeffreys Moseley
    •Born 23rd November 1887•Died 10th August 1915•English physicist •Discovered that the atomic number of an element is equal to the number of protons in the nucleus
  • Louis de Broglie

    Louis de Broglie
    •Born 15th August 1892•Died 19th March 1987•French physicist •Discovered that electrons had a dual nature •Supported Einstein