1st Nuclear Explosion
The first nuclear explosion, the "Trinity" test of an implosion-style plutonium-based nuclear weapon known as "the gadget", near Alamogordo, New Mexico
Historical biography archive · Updated 2026-11-03
Robert Oppenheimer Biography and Timeline — Page 2
Follow Robert Oppenheimer through 52 dated historical records for United States of America.
Robert Oppenheimer, historical timeline
A chronological timeline drawn from matching World History Database records.
52Distinct records
2 of 2Page
1945–1947Years on this page
1945
Manhattan Project
The first nuclear explosion, the "Trinity" test of an implosion-style plutonium-based nuclear weapon known as "the gadget", near Alamogordo, New Mexico
Manhattan Project
The joint work of the scientists at Los Alamos resulted in the first artificial nuclear explosion near Alamogordo on July 16, 1945, the site of which Oppenheimer named "Trinity". The first nuclear explosion, the "Trinity" test of an implosion-style plutonium-based nuclear weapon known as "the gadget", near Alamogordo, New Mexico
first Nuclear Explosion
The joint work of the scientists at Los Alamos resulted in the first artificial nuclear explosion near Alamogordo on July 16, 1945, the site of which Oppenheimer named "Trinity". The first nuclear explosion, the "Trinity" test of an implosion-style plutonium-based nuclear weapon known as "the gadget", near Alamogordo, New Mexico
Gadget
The first nuclear explosion, the "Trinity" test of an implosion-style plutonium-based nuclear weapon known as "the gadget", near Alamogordo, New Mexico
Manhattan Project
The first nuclear explosion, the "Trinity" test of an implosion-style plutonium-based nuclear weapon known as "the gadget", near Alamogordo, New Mexico
Trinity
The first nuclear explosion, the "Trinity" test of an implosion-style plutonium-based nuclear weapon known as "the gadget", near Alamogordo, New Mexico
Postwar Nuclear Arms Warning
Oppenheimer warns Stimson that atomic weapons will improve, defenses will remain inadequate, and the United States cannot expect a permanent nuclear monopoly.
Manhattan Project
Oppenheimer resigns as director of Los Alamos, and is succeeded by Norris Bradbury
Manhattan Project
Oppenheimer resigns as director of Los Alamos, and is succeeded by Norris Bradbury
1947
Atomic Energy Commission
After the Atomic Energy Commission (AEC) came into being in 1947, as a civilian agency in control of nuclear research and weapons issues, Oppenheimer was immediately appointed as the Chairman of its General Advisory Committee (GAC)
Institute For Advanced Study
Oppenheimer accepted an offer from Lewis Strauss to take up the directorship of the Institute for Advanced Study in Princeton, New Jersey
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.