Quantum physics · Denmark · 1885–1962
Niels Bohr Life & Career Timeline
An atomic model, a Copenhagen institute and a new language for quantum reality.
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18851896190719181929194019511962
NBNiels BohrQuantum physics · Denmark
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About Niels Bohr
Niels Bohr transformed atomic physics, nurtured the international Copenhagen school and argued for openness in the atomic age.
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Niels Bohr biography
Niels Bohr timeline: key events
Explore 18 documented Moments in chronological order. Read the dates, locations and source references below. Where available, additional context explains why a milestone matters.
Born in Copenhagen
Niels Henrik David Bohr was born into an academic Copenhagen family.
Source: nbi.ku.dkEnters the University of Copenhagen
Bohr began studying physics under Christian Christiansen.
Source: nbi.ku.dkWins Academy gold medal
His experimental work on surface tension won the Royal Danish Academy prize.
Source: nbi.ku.dkMaster’s degree in physics
Bohr completed advanced study before turning to electron theory.
Source: nbi.ku.dkDoctorate and Cambridge
After defending his doctorate, Bohr joined J. J. Thomson’s Cavendish Laboratory.
Source: nbi.ku.dkWorks with Rutherford
Research in Ernest Rutherford’s laboratory focused Bohr on atomic structure.
Source: nbi.ku.dkMarries Margrethe Nørlund
Margrethe became Bohr’s closest lifelong partner and collaborator.
Source: nbi.ku.dkBohr model published
Three papers applied quantum ideas to the hydrogen atom and its spectrum.
Source: nbi.ku.dkProfessor of theoretical physics
Bohr received a new professorship at the University of Copenhagen.
Source: nbi.ku.dkInstitute opens
The Institute for Theoretical Physics became an international centre for quantum research.
Source: nbi.ku.dkNobel Prize in Physics
Bohr received the prize for investigations of atomic structure and radiation.
Source: nbi.ku.dkComplementarity presented
Bohr articulated complementarity as a framework for quantum phenomena.
Source: nbi.ku.dkCompound nucleus model
His nuclear model helped explain neutron capture and later nuclear fission.
Source: nbi.ku.dkEscapes occupied Denmark
Threatened under Nazi occupation, Bohr escaped across the Øresund.
Source: nbi.ku.dkJoins Allied atomic work
Bohr advised the wartime atomic project while warning about postwar consequences.
Source: nbi.ku.dkOpen Letter to the United Nations
He advocated openness and international cooperation in the atomic age.
Source: nbi.ku.dkAtoms for Peace Award
The first award recognised Bohr’s work for peaceful nuclear cooperation.
Source: nbi.ku.dkDies in Copenhagen
Bohr died at home, leaving a foundational scientific and institutional legacy.
Source: nbi.ku.dkExplore related timelines
This educational timeline is not endorsed by or affiliated with Niels Bohr or their representatives. Event text is original editorial copy based on the linked sources.
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About the Niels Bohr timeline
Who is Niels Bohr?
Niels Bohr transformed atomic physics, nurtured the international Copenhagen school and argued for openness in the atomic age.
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This public timeline currently contains 18 sourced moments spanning 1885–1962.
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