Born
1860
Died
1929
Nationality
American
Events involving Herman Hollerith (11)
1884
ID: 4216
Herman Hollerith files first patent application for his electromechanical punched card tabulator while working at U.S. Patent Office
ID: 4216
1886
ID: 4217
Hollerith receives his first patent (U.S. Patent 395,782) for 'Art of Compiling Statistics' - foundation of punch card data processing
ID: 4217
1889
ID: 4218
Hollerith's tabulating system successfully tested by Baltimore Department of Health for vital statistics
ID: 4218
1890
ID: 4219
Hollerith's electric tabulating machines process U.S. Census in 2.5 years instead of predicted 13 years - saves $5 million
ID: 4219
1896
ID: 4220
Herman Hollerith founds the Tabulating Machine Company to manufacture and market his punch card equipment
ID: 4220
1900
ID: 4221
Hollerith develops automatic card-feed mechanism and automatic sorting box - major improvements to tabulating system
ID: 4221
1906
ID: 4222
Hollerith introduces Type I Tabulator with plug-board wiring for flexible programming of tabulation tasks
ID: 4222
1907
ID: 4223
U.S. Census Bureau cancels Hollerith contract due to high costs, begins developing own equipment with James Powers
ID: 4223
1911
ID: 4224
June 16, 1911
Charles Flint merges Tabulating Machine Company with three other firms to create Computing-Tabulating-Recording Company (C-T-R)
ID: 4224
1921
ID: 4229
Hollerith retires from C-T-R board, ends active involvement in punch card industry he created
ID: 4229
1929
ID: 4233
November 17, 1929
Herman Hollerith dies at age 69 - his punch card technology foundation for modern computing industry
ID: 4233