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  • Francis William Aston
  • Francis William Aston (1 September 1877–20 November 1945) was a British chemist and physicist who won the 1922 Nobel Prize in Chemistry for his discovery, by means of his mass spectrograph, of isotopes, in a large number of non-radioactive elements, and for his enunciation of the whole-number rule."

    In 1893 Francis William Aston began his university studies at Mason College where he was taught physics by John Henry Poynting and chemistry by Frankland and Tilden.
    With a scholarship from the University of Birmingham he pursued research in physics following the discovery of X-rays and radioactivity in the mid-1890s.
    After the death of his father, and a trip around the world in 1908, he was appointed lecturer at the University of Birmingham in 1909 but moved to the Cavendish Laboratory in Cambridge on the invitation of J. J. Thomson in 1910.
    In 1921, Aston became a fellow of the Royal Society and received the Nobel Prize in Chemistry the following year
    Aston died in Cambridge on 20 November 1945. He was 68 years old.

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