Herman Hollerith, the Inventor of Computer Punch Cards

Herman Hollerith designed a machine to tabulate census data more efficiently than by traditional hand methods. It became the computer punch card.

Definition of tabulator

Herman Hollerith Punch Card Machine

IBM Tabulators and Accounting Machines

Herman Hollerith - Wikipedia

Herman Hollerith with Tabulator - CHM Revolution

Hollerith patents the electric tabulating system, January 8, 1889 - EDN

Herman Hollerith, the Inventor of Computer Punch Cards

The story of Herman Hollerith, inventor of the punch card

Herman Hollerith - History - U.S. Census Bureau Punch cards, Computer history museum, Computer history