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Herman Hollerith

Born: 1860
Birthplace: Buffalo, N.Y.

Art of compiling statistics—Hollerith invented a punch card tabulation machine system that revolutionized statistical computation. His system enabled the 1890 census to save $5 million and more than two years time. (1990)

Died: 1929

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John Paul Hogan The National Inventors Hall of FameDonald Fletcher Holmes

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