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Herman Hollerith: Electric Tabulating Device, 1890


The fortunes of the Tabulating Machine Company faded and it widened its range by merging with the Computing Scale Company of America and the International Time Recording Company to form the Computer Tabulating Recording Company (CTR). Herman Hollerith continued as a consultant with the company. His firm business approach had always been to let the company's achievements speak for themselves. Never employing a sales force, he had succeeded on recommendations from satisfied customers to power sales expansion.

Thomas J. Watson, an accomplished salesman and manager, came into the company in 1918 from National Cash Register; CTR's leadership in the market was restored through product research and improvements including the introduction of printers for input and output. Hollerith took little interest in the changes and retired in 1921. CTR's name was changed in 1924 to International Business Machines Corporation (IBM).

The Powers company also went through a procession of mergers, becoming Remington Rand, Inc. in 1927 and much later, after multiple mergers, reaching the company now known as Unisys.

Herman Hollerith retired to his farm on Chesapeake Bay and died of a heart attack on November 17, 1929. He is buried in the Oak Hill Cemetery in Georgetown, Virginia.