Herman Hollerith - Wikipedia, the free encyclopedia
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Herman Hollerith (February 29, 1860 – November 17, 1929) was a German-American statistician who developed a mechanical tabulator based on punched cards in order to rapidly tabulate statistics from mi...
en.wikipedia.org/wiki/Herman_Hollerith
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Herman Hollerith was born in Buffalo, N.Y., of German immigrant parents, on February 29, 1860. ... The following is the text of "Herman Hollerith: Data Processing Pioneer," an article by William R. Aul, published on pp. 22-24 of the November 1972 edition of Think, IBM's employee publication.
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www-03.ibm.com/ibm/history/exhibits/builders/builders_h...
www-03.ibm.com/ibm/history/exhibits/builders/builders_hollerith.html
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The overall dimensions of punched cards used for data processing have remained the same since Herman Hollerith invented the medium: 7 3/8 inches wide by 3 1/4 inches high by ... If you look at the punched card equipment sold by IBM after 1931, you will find complete hardware support for IBM's alphanumeric Hollerith code,
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www.cs.uiowa.edu/~jones/cards/history.html
www.cs.uiowa.edu/~jones/cards/history.html
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Above: The "reading board" for a punched card from the 1890 census (the cards themselves were blank; this is like ... Herman Hollerith's 1890 tabulating machine is shown above (image from IBM; CLICK HERE for a color photo). The results of a tabulation are displayed on the clock-like dials. A sorter is on the right.
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www.columbia.edu/acis/history/census-tabulator.html
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After some initial trials with paper tape, he settled on punched cards (pioneered in the Jacquard loom) to record information, and designed special equipment -- a tabulator and sorter -- ... Herman Hollerith (1860-1929), Columbia University School of Mines EM 1879, Columbia University PhD 1890. Photo: IBM.
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www.columbia.edu/acis/history/hollerith.html
www.columbia.edu/acis/history/hollerith.html
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IBM Cards and keypunch ... Note that in 1890 Herman Hollerith made the size of the data-processsing card (later commonly known as the IBM card) equal to the dollar bill of that time. Chosing that size allowed reuse of existing filing bins and adaptation of other currency manipulating equipment.
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infolab.stanford.edu/pub/voy/museum/pictures/display/2-...
infolab.stanford.edu/pub/voy/museum/pictures/display/2-2-ElecKeyPunch.htm
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In 1896, Herman Hollerith founded the Tabulating Machine Company to sell his invention, the Company became part of IBM in 1924. ... Hollerith's punch cards and tabulating machines were a step toward automated computation. His device could automatically read information which had been punched onto card. He got the idea...
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inventors.about.com/library/inventors/blhollerith.htm
inventors.about.com/library/inventors/blhollerith.htm
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This book covers major players in the development of the computer, from Herman Hollerith, the inventor of punch cards, through the inventors of ENIAC and UNIVAC, ... By the late 1930s punched-card machine techniques had become so well established and reliable that Howard Aiken, in collaboration with engineers at IBM,
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www.ideafinder.com/history/inventors/hollerith.htm
www.ideafinder.com/history/inventors/hollerith.htm
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The first practical use of punched cards for data processing is credited to the American inventor Herman Hollerith. During the 1880s, Hollerith decided to use Jacquard's punched cards to represent the data gathered for the American census, and to read ... Although other formats appeared sporadically (including some from IBM),
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www.diycalculator.com/popup-h-paper.shtml
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