Blaise Pascal the french mathematician (1 Jan 1600 Jahr – 1 Jan 1642 Jahr)
Beschreibung:
 He pinoneered the field of machines computing and invented the first mechnical calculator ten years later in 1642 and created even more systems on logic in math. 
Zugefügt zum Band der Zeit:
Datum:
1 Jan 1600 Jahr
1 Jan 1642 Jahr
 ~ 42 years