Massive Neutron Cores
With George Volkoff, shows that sufficiently massive neutron cores have no static equilibrium, helping establish the theoretical path toward gravitational collapse.
Historical biography archive · Updated 2026-11-03
J. Robert Oppenheimer Biography and Timeline
Follow J. Robert Oppenheimer through 3 dated historical records for United States of America.
J. Robert Oppenheimer, historical timeline
A chronological timeline drawn from matching World History Database records.
3Distinct records
1 of 1Page
1939–1942Years on this page
1939
Continued Gravitational Contraction
With Hartland Snyder, models continued stellar collapse and shows a sufficiently massive star can become cut off from communication with distant observers.
1942
Los Alamos Laboratory
Is selected to direct bomb-design work at Los Alamos.
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.