Herman Hollerith

Herman Hollerith (February 29, 1860 – November 17, 1929) was an American statistician who developed the Jacquard's punched card idea to represent the census data, and to then read and collate this data using an automatic machine.

External links

• Hollerith's patents from 1889: {{US patent|395781}} {{US patent|395782}} {{US patent|395783}}
• More on Hollerith and his original tabulator
• Hollerith page at the National Hall of Fame

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