(1) Briefly, Hollerith machines were mechanical precursors to computers.

(2) Punch card tabulating machine invented by Herman Hollerith.

(3) In 1886 Herman Hollerith, a statistician, started a business to rent out the tabulating machines he had originally invented for America's census.

(4) Herman Hollerith was a statistician who helped the U.S. Census tabulate data.

(5) Herman Hollerith gets a contract for processing the 1900 census data using punched cards.

(6) Herman Hollerith gets a contract for processing the 1900 census data using punched cards. His firm was eventually named IBM in 1924.

(7) Punch card tabulating machine invented by Herman Hollerith. Wall Street Journal first published.

(8) By 1890, Herman Hollerith , an American engineer, had perfected the first data-processing machine to use punched cards.

(9) Statistician Herman Hollerith used punch cards to tabulate data from the 1890 U.S. census.

(10) Invented by a young census worker named Herman Hollerith, it automatically sorted data by a code of holes punched in manila cards.