HERMAN HOLLERITH (1860-1929):

HERMAN HOLLERITH (1860-1929):

Herman Hollerith developed in 1890 the punched card system to store data. The punched card system was an important movement in the development of the computer. His idea was totally different from the principle already known by Babbage or by Colmar. He used the working method of a punch cutter on the train. His calculator was so successful that he started his own business to sell his product. Later the company was called International Business Machines (IBM). However the original cards could not be used for complicated calculations.

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