Example image of eyePlorer eyePlorer map for 'Herman Hollerith': German American Punched card Statistician Tabulating machine IBM Buffalo, New York City College of New York Fu Foundation School of Engineering and Applied Science John Shaw Billings United States Census Bureau 1890 United States Census 1880 United States Census Keyboard technology Keypunch Hardwired control Control panel (computer) Computing Tabulating Recording Corporation Thomas J. Watson British Tabulating Machine Company Hollerith constant IBM 407 IBM 557 Dehomag Powers Accounting Machine Company Radix sort F. B. Fenby List of inventors and business leaders of Upstate New York Plugboard 1887 in science 1889 Fredrik Rosing Bull Bit International Computers and Tabulators List of computer scientists List of mathematicians (H) List of people from New York City 1860 in science History of programming languages Donald prell List of statisticians Paper data storage Unit record equipment Andrew Talcott June 8 List of mergers and acquisitions by IBM Columbia Graduate School of Arts and Sciences December 9 List of inventors Phonograph Flat file database