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Melvil Dewey (born December 10, 1851, Adams Center, New York, U.S.—died December 26, 1931, Lake Placid, Florida) was an American librarian who devised the Dewey Decimal Classification for library cataloging and, probably more than any other individual, was responsible for the development of library science in the United States. Dewey graduated in 1874 from Amherst College and became acting librarian at that institution. In 1876 he published A Classification and Subject Index for Cataloguing and...