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Born
Copenhagen, Denmark -
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Copenhagen University (Education)
Under the tutelage of the "highly endowed" physicist, Professor C. Christiansen, Bohr received his Master's degree in 1909, and Doctor's degree in 1911. (Nobel Lectures) -
Discovery of Atomic Structure Begins
Bohr's doctor's disputation was a theoretical explanation of the properties of metals with the aid of the electron theory. This tied in Max Planck's quantum theory of radiation. (Nobel Lectures) -
Energy Transfer within the Hydrogen Atom
Using Planck's quantum theory, Bohr proposes a theory for the hydrogen atom that energy is transferred only in certain well-defined quantities. This theory could explain why atoms emit light in fixed wavelengths. (Niels Bohr - Facts) -
First concept of Atomic Structure
After Professor Ernest Rutherford's discovery of the atomic nucleus, Professor Bohr worked out and presented a picture of atomic structure. (Nobel Lectures) -
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Career (Copenhagen and Victoria Universities)
Lectureship in Physics (Nobel Lectures) -
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Career (Copenhagen University)
Professor of Theoretical Physics (Nobel Lectures) -
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Career (Copenhagen University)
Head of the Institute for Theoretical Physics (Nobel Lectures) -
Nobel Prize and Hafnium
Awarded "for his services in the investigation of the structure of atoms and of the radiation emanating from them." (Niels Bohr – Facts). In his Nobel lecture, Bohr ended it with an announcement that, based off his atomic theory, element number 72 had been found and named Hafnium, Latin for Copenhagen. (Juncher) The following video explains the discovery of the atomic structure and Niel Bohr's contribution to the discovery. https://www.youtube.com/watch?v=thnDxFdkzZs -
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Concept of Complementarity
Through all his work, Bohr began to clarify problems encountered in quantum physics by developing the concept of complementarity. This showed the fundamental changes in scientific outlook and how this change of attitude towards physics touch upon all human knowledge. Bohr discussed this in many essays until his death in 1962. (Niels Bohr - Biographical) -
Nuclear Processes
Bohr stated that the nuclear processes and the small area in which the interactions take place justify the transition process. This led to understanding the mechanisms of nuclear fission when splitting uranium was discovered in 1939. (Nobel Lectures) -
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Atomic Energy Project
After escaping occupied Denmark during World War II, Bohr fled to Sweden and spent the last two years of the war in England and America. He became associated with the Atomic Energy Project the continued the work of the Manhattan Project, but focused on the peaceful application of atomic energy. (Niels Bohr - Biographical) -
Died
Copenhagen, Denmark
