Herman Hollerith (29 feb 1860 anni – 17 nov 1929 anni)
Descrizione:
 -Who - American inventor
-Relevance - Invented an electrical punch card tabulator than held data. One of the founders of IBM. Involved in the development of data processing.
-Dates - Tabulating Machine Company(later IBM[1911]). Punch Card Tabulator(1890) 
Aggiunto al nastro di tempo:
Data:
29 feb 1860 anni
17 nov 1929 anni
 ~ 69 years