Word: atomical
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Dates: during 1920-1929
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...Neils Bohr, professor of physics at the University of Copenhagen, winner of the Nobel prize in physics for 1922, gave the Silliman lectures at Yale University on The Atom and the Natural System of the Elements. Dr. Bohr was not the pioneer of the electronic theory of the atom, but he has greatly refined and expanded it, and stands with Thomson, Rutherford, Lodge, Millikan as one of the world's foremost exponents of the " new " physics. A few points of special interest in Dr. Bohr's lectures...
...likened the atom to the solar system, with the positive nucleus or proton representing the sun, and the electrons revolving in two concentric rings, at maximum distance from each other. This " open " structure is the most significant feature of the scheme...
Over 300 people crowded the large room of Jefferson Physical Laboratory yesterday afternoon to hear Professor Niels Bohr of the University of Copenhagen give the first of his lectures on the theory of spectra and atomic constitution. Professor Bohr, who has won international reputation in connection with the theory of atomic constitution, in his lecture yesterday explained the model atom which he has invented...
...electron theory is far older than Professor Bohe," he said, "but he did invent a model of the atom which so far has been more successful than any other in explaining certain well known facts in spectrum analysis. His model is probably the most successful and interesting to the physicist that has ever been conceived. His work has been more to establish certain facts about the electron than to prove its existence...
...reading this article, Dr. Mulliken, who has previously studied isotopes at the University of Chicago, began his experiments in Cambridge to prove that the unrelated spectrum bands were due to the isotopes of the boron atom...