Herman Hollerith 1860 - 1929

occupation:: Inventor

Nationality:: American

born in:: Buffalo, Erie county, New York state, United States

Made:: Washington

Inventor of electromechanical sensing and punching devices that were forerunners of the input/output units of later computers. 1896 - Founder of Tabulating Machine Company, Washington DC. 1911 – following various consolidations, the Computing Tabulating Recording Company (CTR)-IBM's predecessor-is formed.