Atomic and molecular emission and absorption spectra have been known for over a century to be discrete (or quantized). (credit: Unknown Author, via Wikimedia Commons) Mysteries of Atomic SpectraĪs noted in Quantization of Energy, the energies of some small systems are quantized. His many contributions to the development of atomic physics and quantum mechanics, his personal influence on many students and colleagues, and his personal integrity, especially in the face of Nazi oppression, earned him a prominent place in history. D.Figure 30.14 Niels Bohr, Danish physicist, used the planetary model of the atom to explain the atomic spectrum and size of the hydrogen atom. (Jesse William Monroe), 1892-1976Įpstein, Paul S. (Paul Adrien Maurice), 1902-1984ĭuMond, Jesse W. (Peter Josef William), 1884-1966ĭennison, David M. (Haroutune Mugurditch), 1878-1974ĭebye, Peter J. (Hendrik Brugt Gerhard), 1909-2000ĭadourian, H. (Patrick Maynard Stuart), Baron Blackett, 1897-1974īridgman, P. (Edward Neville da Costa), 1887-1971īacher, Robert F. Both employed at the Institute of Theoretical Physics, University ofīoth employed at Los Alamos Scientific Laboratory.īoth employed at Los Alamos Scientific Laboratory. Post-doc advised by Bohr at University of Copenhagen (Københavns Universitet).Ĭo-wrote a paper on the mechanism of nuclear fission. (Lev Davidovich), 1908-1968Īdvised by Bohr at Niels Bohr Institut, University of Copenhagen (Københavns Universitet).Īdvised by Bohr at University of Copenhagen (Københavns Universitet ).Īdvised by Bohr on his post-doctoral work at the University of Copenhagen (Københavns Universitet) and collaborated on BKS theory. PhD advisor at University of Copenhagen (Københavns Universitet).Īdvised by Bohr at University of Copenhagen (Københavns Universitet). (Subrahmanyan), 1910-1995Īdvised by Bohr at University of Copenhagen (Københavns universitet). Son and advised by Niels Bohr at University of Copenhagen (Københavns universitet).Ĭhandrasekhar, S. November 18, 1962Death, Copenhagen (Denmark). October 7, 1885Birth, Copenhagen (Denmark).ġ906Awarded Gold Medal, Royal Danish Academy of Sciences (Kongelige Danske videnskabernes selskab), Copenhagen (Denmark).ġ906Obtained Master's degree in Physics, Copenhage University (Københavns universitet), Copenhagen (Denmark).ġ911Obtained PhD in Physics, Copenhagen University (Københavns universitet), Copenhagen (Denmark).ġ911 – 1912Researcher, Cavendish Laboratory, Cambridge (England).ġ912 – 1962Researcher (1912-1913) Assistant Professor in Physics (1913) Professor of Theoretical Physics (1916) Head, Department of Theoretical Physics (1920-1962) and Director, Institute of Theoretical Physics (1921-1962), Copenhagen University (Københavns universitet), Copenhagen (Denmark).ġ913Introduced Bohr Model of Atom with Ernest Rutherford, Victoria University of Manchester, Manchester (England).ġ914 – 1916Professor of Physics, Victoria University of Manchester, Manchester (England).ġ917 – 1962Fellow (1917) and President (1939-1962), Royal Danish Academy of Sciences (Kongelige Danske videnskabernes selskab), Copenhagen (Denmark).ġ918Wrote "On the Quantum Theory of Line Spectra".ġ920Established Institute of Theoretical Physics (Niels Bohr Institute), University of Copenhagen (Københavns universitet), Copenhagen (Denmark).ġ922Awarded Nobel Prize in Physics "for his services in the investigation of the structure of atoms and of the radiation emanatingġ922Wrote "The Theory of Spectra and Atomic Constitution".ġ923 – 1962Foreign member, Royal Netherlands Academy of Arts and Sciences (Koninklijke Nederlandse Akademie van Wetenschappen).ġ926 – 1962Foreign member, Royal Society.ġ934Wrote "Atomic Theory and the Description of Nature".ġ943 – 1945Consultant, Manhattan Project, Los Alamos Scientific Laboratory under pseudonym Nicholas Baker, Los Alamos (N.M.).ġ950Wrote "Open Letter to the United Nations".ġ954Helped establish European Organization for Nuclear Research (CERN).ġ955Organized Atoms for Peace Conference, Geneva (Switzerland).ġ955 – 1956Established (1955) and Chairman (1956), Danish Atomic Energy Commision (Research Establishment Risø), Roskilde (Denmark).ġ957Chairman, Nordic Institute for Theoretical Physics (Nordisk institut for teoretisk atomfysik NORDITA), Stockholm (Sweden). In 1922, he wasĪwarded the Nobel Prize in Physics "for his services in the investigation of the structure of atoms and of the radiation emanating Niels Bohr was a theoretical nuclear physicist at Copenhagen University. Bohr, Niels (Niels Henrik David), 1885-1962
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