Discovery of Plutonium
Glenn Seaborg and colleagues conclusively identify plutonium during laboratory work at Berkeley.
Historical biography archive · Updated 2026-11-03
Glenn Seaborg Biography and Timeline
Follow Glenn Seaborg through 3 dated historical records for United States of America.
Glenn Seaborg, historical timeline
A chronological timeline drawn from matching World History Database records.
3Distinct records
1 of 1Page
1941–1941Years on this page
1941
Discovery of Plutonium
Glenn Seaborg leads work that conclusively identifies plutonium, later important to wartime nuclear research.
Manhattan Project
Conclusive discovery of plutonium by Glenn Seaborg and Arthur Wahl
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.