Uranium Isotopes
Mass spectrograph work supports isotope studies of heavy elements.
Role range: 1877-1945
Historical biography archive · Updated 2026-11-03
Francis William Aston Biography and Timeline
Follow Francis William Aston through 2 dated historical records for Great Britain.
Francis William Aston, historical timeline
A chronological timeline drawn from matching World History Database records.
2Distinct records
1 of 1Page
1921–1922Years on this page
1921
1922
Nobel Prize
Receives the Nobel Prize in Chemistry for discovering isotopes in many non-radioactive elements with the mass spectrograph and for formulating the whole-number rule.
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.