Bryce Giddens.  Born in Buffalo, New York on February 29, 1860.  Parents were immigrants to the US from Germany in 1848.  He was clever at an early.

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Presentation transcript:

Bryce Giddens

 Born in Buffalo, New York on February 29,  Parents were immigrants to the US from Germany in  He was clever at an early age but hated his teacher correcting him.

 Hollerith entered the City College of New York in  Became an engineer graduate of the Columbia School of Mines in  His exam scores were so high that his professor asked him if he would be his assistant.

 Joined the U.S. census bureau as a statistician.  His job involved solving problems of analyzing the large amounts of data generated by the 1880 census.  Needed a way to make his job easier.

 Herman Hollerith first got his idea for the punch-card tabulation machine from watching a train conductor punch tickets.  Dr. Shaw Billings gave him an idea for the tabulating machine. -He said… “There ought to be some mechanical way of doing this job, something on the principle of the Jacquard loom, whereby holes in a card regulate the pattern to be woven. “

 He used metal pegs to punch through holes onto an electrical plate.  Each hole represented data.  The machine used electricity to sort data.

 Before Herman Hollerith built the tabulating machine, the census took 7 years,  With the machine, the census took just 6 weeks.

 Speed was not the only benefit of using Hollerith's system.  He used it to gather more data like the number of children born in a family.  Also used to count the number of people who spoke English were part of the 1890 census.

 His invention became the foundation of a company that is now IBM (International Business Machines)  In the 1880s, at the same time as he was developing his first punched card system, he invented a new brake system for trains.

 Hollerith worked with the company he founded as a consulting engineer until his retirement in  Hollerith retired to his farm in rural Maryland, where he spent the rest of his life raising cattle.  Hollerith died of a heart attack in 1929, eight years after retiring.

 andrews.ac.uk/Biographies/Hollerith.html andrews.ac.uk/Biographies/Hollerith.html  andrews.ac.uk/PictDisplay/Hollerith.html andrews.ac.uk/PictDisplay/Hollerith.html    htm htm  and.ac.uk/history/Bookpages/Hollerith_machine.jpeg and.ac.uk/history/Bookpages/Hollerith_machine.jpeg 