First Observation of Free-Neutron Decay
With Leonard Miller, observes free neutrons decaying into a proton and electron.
Historical biography archive · Updated 2026-11-03
Arthur Snell Biography and Timeline
Follow Arthur Snell through 2 dated historical records for United States of America.
Arthur Snell, historical timeline
A chronological timeline drawn from matching World History Database records.
2Distinct records
1 of 1Page
1948–1950Years on this page
1948
1950
First Neutron Lifetime Measurement
With Frances Pleasonton and Rube McCord, measures the lifetime of free neutrons.
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.