After hearing of an adding machine built by Blaise Pascal, Leibniz set out to best him.

FORBES: The Original Hacker and Why His Work, 300 Years Ago, Matters Today

It didn't take Blaise Pascal (1623-1662) to detect that in the summer of 2001, Enron was in a lot of trouble.

FORBES: Magazine Article

Long before the current era of computers, the inventor Blaise Pascal designed a mechanical calculator in 1642 -- regarded by many as the first decisive step toward modern microprocessors.

CNN: Vintage tech 'firsts,' including Apple 1, up for auction