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Herman Hollerith

Computer Systems Organization

Herman Hollerith was a German-American statistician, inventor and businessman who developed an electromechanical tabulating machine for punched cards to summarize information and, later, to assist in accounting. His punched card tabulating machine, patented in 1884, marks the beginning of the era of mechanized binary code and semiautomatic data processing, and his concept dominated that landscape for nearly a century. Hollerith founded a company that was amalgamated in 1911 with several others to form the Computing-Tabulating-Recording Company, renamed International Business Machines, or IBM, in 1924. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/

Facts
Birth Year
1860 1
Birth Date
1860-02-29 2
Death Year
1929 1
Death Date
1929-11-17 2
Award
Elliott Cresson Medal 1
Award
National Inventors Hall of Fame 1
FAQs

How much faster did Hollerith's tabulators make the 1890 census?

Processing fell from eight years in 1880 to six years in 1890.

The Census Office used Hollerith's electromechanical tabulators for the 1890 census, and processing time fell from eight years for the 1880 census to six years for the 1890 census. That gain came from several changes together, including a larger population, the data items collected, the Census Bureau headcount and the scheduled publications, not from the tabulators alone.
Connections

Credited

Radix Sort, Algorithms
Source Wikipedia: Radix sort

Invented

Radix Sort, Algorithms
Source Wikipedia: Radix sort
In the Other Atlases

Nationality

Also in Geography Atlas: the nationality of this subject.

Sources
1. Wikidata: Herman Hollerith
Wikidata Q192145, class allow-list match (w-wdresolver-0926)View the Source
2. Wikipedia: Herman Hollerith
Wikimedia FoundationLead section
Quote, Lead section
November 17, 1929
View the Source
Wikipedia: Radix sort
  • Invented: Radix Sort, History section
    Radix sort dates back as far as 1887 to the work of Herman Hollerith on tabulating machines.
  • Credited: Radix Sort, History section
    Radix sort dates back as far as 1887 to the work of Herman Hollerith on tabulating machines.
View the Source
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