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.

What is the history of punched cards? When did they stop being used? - Quora

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Tabulation and Processing - History - U.S. Census Bureau

Douglas W. Jones's punched card index

Definition of tabulator

My History of Computing (Punch cards to FORTRAN) – billatnapier

What is a Punch Card?

Making Sense of the Census: Hollerith's Punched Card Solution - CHM Revolution

Tech Time Travel: Coding Threads - Tracing the History of Punch Cards from Jacquard to Hollerith - The National CIO Review

WTI Career Training - Herman Hollerith, an American Inventor, designed a punch card system to calculate the 1880 census, saving the government $5 million. His tabulating machine opened the world's eyes to

Hollerith hi-res stock photography and images - Alamy

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

Plate, punch card, and instructions for Herman Hollerith's Electric Sorting and Tabulating Machine, ca. 1895.

PDF) “Do Not Fold, Spindle or Mutilate”: A Cultural History of the Punch Card