author
Melvil Dewey
1851–1931
Best known for creating the Dewey Decimal Classification, he helped shape the way modern libraries organize knowledge. His drive for order and standardization left a lasting mark on librarianship in the United States and far beyond.
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About the author
Born in Adams Center, New York, in 1851, Melvil Dewey became one of the most influential figures in library history. While working at Amherst College, he developed the decimal classification system that was first published in 1876 and later became known around the world as the Dewey Decimal Classification.
Dewey did far more than create a numbering system. He served as librarian at Columbia College, helped found the American Library Association, and played a major role in establishing professional library education, including the school that became Columbia's School of Library Service. His work pushed libraries toward shared standards, better training, and more efficient public service.
His legacy is important and complicated. He is remembered as a major reformer in American librarianship, but modern accounts also note serious misconduct, including documented harassment and discriminatory behavior. He died in 1931, and his name remains tied both to a hugely influential library system and to an ongoing reexamination of the man behind it.