The Nobel Prize in Chemistry 1922
Francis William Aston
Prize share: 1/1
The Nobel Prize in Chemistry 1922 was awarded to Francis W. Aston "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".
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MLA style: "The Nobel Prize in Chemistry 1922". Nobelprize.org. Nobel Media AB 2014. Web. 25 May 2016. <http://www.nobelprize.org/nobel_prizes/chemistry/laureates/1922/>