Herman Hollerith Timeline of Events

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Herman Hollerith

Herman Hollerith was an American statistician who developed a mechanical tabulator based on punched cards to rapidly tabulate statistics from millions of pieces of data. He was the founder of one of the companies that later merged and became IBM.-Personal life:Hollerith was born in Buffalo, New York, where he spent his early childhood...

Timeline of Events

1887

6.8.1887

Herman Hollerith applies for US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.

1888

12.9.1888

Statistician Herman Hollerith installs his computing device at the United States War Department.

1889

1.8.1889

Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.

1890

6.1.1890

The United States Census Bureau begins using Herman Hollerith's tabulating machine to count census returns.