Invention of Tabulator8 January 1889
Patents an electrical computer for processing data
Historical person
Historical biography and chronological timeline for Herman Hollerith, based on 2 World History Database records associated with United States of America.
Patents an electrical computer for processing data
Holleriths tabulating machine company becomes international business machines - IBM. 1st device for data processing, used in the USA 1890 census
This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.