"These three classes of problems—determination of significant fact, matching of facts with theory, and articulation of theory—exhaust, I think, the literature of normal science, both empirical and theoretical. They do not, of course, quite exhaust the entire literature of science. There are also extraordinary problems, and it may well be their resolution that makes the scientific enterprise as a whole so particularly worthwhile. But extraordinary problems are not to be had for the asking. They emerge only on special occasions prepared by the advance of normal research."
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Academics from the United StatesPhilosophers from the United StatesJews from the United StatesPhysicists from the United StatesHistorians of science
Original Language: English
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p. 34 (2012 ed.)
https://en.wikiquote.org/wiki/Thomas_Kuhn
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Thomas Kuhn
Thomas Samuel Kuhn (July 18, 1922 – June 17, 1996) was an American physicist, historian, and philosopher of science and who wrote extensively on the history of science and developed several important notions in the philosophy of science.
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