Melville Louis Kossuth (Melvil) Dewey (December 10, 1851 – December 26, 1931) was an American librarian and educator, inventor of the Dewey Decimal system of library classification, and a founder of the Lake Placid Club.
Education and personal life
Dewey was born in Adams Center, New York, the fifth and last child of Joel and Eliza Greene Dewey. He attended rural schools and determined early that his destiny was to be a reformer in educating the masses. At Amherst College he belonged to Delta Kappa Epsilon, earning a bachelor's degree in 1874 and a master's in 1877.
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