First French Controlled Chain Reaction
Achieves the first controlled nuclear chain reaction on French territory.
Historical biography archive · Updated 2026-11-03
Lew Kowarski Biography and Timeline
Follow Lew Kowarski through 2 dated historical records for France.
Lew Kowarski, historical timeline
A chronological timeline drawn from matching World History Database records.
2Distinct records
1 of 1Page
1948–1948Years on this page
1948
Zoe Reactor Criticality
Helps bring Frances first experimental nuclear reactor to criticality.
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.