Herman Hollerith- Born February 29, 1860 Buffalo, NY and died November 7, 1929 Washington, D.C Tabulator- helped summarize information, the tabulator can help tally up a list of numbers or lumber made in 1890 (15 h 3 m, 30 nov 1792 año – 12 h 56 m, 29 feb 1860 año)
Añadido al timeline:
fecha:
15 h 3 m, 30 nov 1792 año
12 h 56 m, 29 feb 1860 año
~ 67 years