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Niels Henrik David Bohr was born the second of 3 children on 7 October 1885, in Copenhagen, Denmark.
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Bohr enrolled at Copenhagen University, majoring in physics. He studied under Professor Christian Christiansen, who was the university's only professor of physics.
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Bohr won a gold medal prize in a competition held by the Royal Danish Academy of Sciences and Letters investigating a method of measuring the surface tension of liquids, proposed by Lord Rayleigh in 1879.
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Bohr earned a master's degree in Physics. His master's thesis was on the electron theory of metals, which was assigned by his teacher Christiansen.
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In 1913 Bohr wrote three papers famously known as "the trilogy," and established Bohr's Model. Bohr showed how the chemical properties of each element were largely determined by the number of electrons in the outer orbits of its atoms. https://www.youtube.com/watch?v=GhAn8xZQ-d8
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Bohr was appointed to the Chair of Theoretical Physics at the University of Copenhagen.
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Now known as the Niels Bohr Institute, it opened on 3 March 1921. Bohr was appointed as director of the institute and lived in an apartment on the first floor, with his family.
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Bohr was awarded the Nobel Peace Prize for his services in investigating the structure of atoms and the radiation emanating from them.
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In 1925 Bohr debated and studied quantum physics. He had a long-running debate with Albert Einstein over the metaphysical implication of quantum physics.
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Bohr died of heart failure on 18 November 1962, at his home in Carlsberg, Denmark.