Francis William Aston
Francis William Aston (1877 nî 9 goe̍h 1 ji̍t – 1945 nî 11 goe̍h 20 ji̍t) sī chi̍t ūi Eng-kok ê hòa-ha̍k-ka. I mā-sī 1922 nî Nobel Hòa-ha̍k Chióng ê ti̍t-chióng-jîn; i ti̍t-chióng ê lí-iû sī 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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