![]() ![]() In the 1920s and 1930s, Bohr's laboratory hosted most of the world's leading theoretical physicists. From 1920 until his death in 1962, he led the Institute for Theoretical Physics, which was established for him and eventually named for him. In 1916, Bohr was appointed Professor of Theoretical Physics at Copenhagen University. This discovery was central to the development of quantum theory.īohr held the position of Lecturer in Physics at Copenhagen University from 1913-1914, and at Victoria University in Manchester from 1914-1916. ![]() When an electron dropped from a high-energy orbit to a lower-energy orbit, it emitted a photon of discrete energy. The chemical properties of the element, his theory held, were determined by the number of electrons in orbit. In 1913, Bohr developed his model of atomic structure, which held that electrons travel in orbits around an atom's nucleus. Rutherford's discovery of the atomic nucleus became the basis of Bohr's investigation of atomic structure. In 1912 he moved to Manchester, where he worked in Professor Ernest Rutherford's laboratory. Upon earning his doctorate, Bohr moved to Cambridge, where he pursued his own theoretical work while simultaneously observing the experimental work directed by Sir J.J. His doctor's disputation, a theoretical explanation of the properties of metals that relied upon electron theory, remains a classic meditation on this subject. Following the receipt of this award, however, his work became increasingly theoretical in character. He performed the experiments in his father's laboratory, the results of which were published in 1908 in the Transactions of the Royal Society. During graduate school, Bohr won a gold medal from the Academy of Sciences in Copenhagen for his experimental and theoretical exploration of liquids' surface tensions using oscillating fluid jets. Christiansen, was an innovative and well-respected physicist. He then entered Copenhagen University where he earned a Master's degree in Physics in 1909 and a doctorate in 1911. Bohr's brother Harald was a mathematician and Olympic soccer player for the Danish national team.īohr graduated from Gammelholm Grammar School in 1903. His mother, Ellen Adler Bohr, came from a wealthy Jewish family that was prominent in the field of education. Bohr credited his father for awakening his interest in physics at a young age. Christian Bohr, his father, was professor of physiology at the University of Copenhagen. ![]() Niels Bohr was a Danish physicist who made tremendous contributions to his field, transforming accepted notions of atomic structure, helping to develop nuclear fission, and advocating for international cooperation in crafting responsible nuclear policy.īohr was born in Copenhagen in 1885 into a family that encouraged his academic pursuits. Collection,, Hanna Holborn Gray Special Collections Research Center, University of Chicago Library Biographical Note This collection, the preferred citation is: Bohr, Niels. There are also photographs of Bohr and his laboratory staff and several printed brochures pertaining to Bohr, his laboratory, and related events. The collection also includes mimeographed copies of letters and the transcripts of lectures. The writings about Bohr both predate and postdate his death. Some of Bohr's writings are coauthored with other physicists. The materials include offprints of published writings by and about Bohr and his work. This collection contains documents pertaining to Niels Bohr, the Danish physicist who made major contributions to understandings of atomic structure, nuclear fission, and nuclear policy. Hanna Holborn Gray Special Collections Research Center © 2006 University of Chicago Library Descriptive Summary Title: University of Chicago Library Guide to the Niels Bohr Collection 1909-1963 ![]()
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