Background: IBM, Dehomag, and the Hollerith Punch Card System In the early 20th century, International Business Machines (IBM) emerged as a leader in data processing technology thanks to a revolutionary invention: the Hollerith punched-card system. Originally devised by Herman Hollerith for the 1890 U.S. Census, this electromechanical system encoded information as holes punched in cards … Continue reading IBM and the Holocaust: Technology as a Force Multiplier for Genocide