Death anniversary

Francis William Aston

Died on November 20, 1945

80

Years ago

81st anniversary next

The 81st anniversary falls on November 20, 2026, in 27 days.

Francis William Aston FRS (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 many non-radioactive elements and for his enunciation of the whole number rule.

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Francis William Aston

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