Manhattan Project
Vannevar Bush holds a meeting to organize an accelerated research project, managed by Arthur Compton, Harold Urey develops research into gaseous diffusion as uranium enrichment & Ernest Lawrence investigates separation methods
Historical biography archive · Updated 2026-11-03
Harold Urey Biography and Timeline
Follow Harold Urey through 3 dated historical records for United States of America.
Harold Urey, historical timeline
A chronological timeline drawn from matching World History Database records.
3Distinct records
1 of 1Page
1941–1943Years on this page
1941
Uranium Enrichment
Develops gaseous-diffusion research for uranium enrichment.
Role range: 1893-1981
1943
K-25 Plant
Gaseous diffusion plant development advances uranium enrichment.
Role range: 1943-1945
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.