Computing HIstory

Blaise Pascal

Period: Jun 19, 1623 to Aug 19, 1662

The Pascaline

Period: Jan 1, 1642 to Jan 1, 1742

I don't know what date and what year it ended

Gottfied Wilheim von Leibniz

Period: Jul 1, 1646 to Nov 14, 1716

Charles Babage

Period: Dec 26, 1792 to Oct 18, 1871

Augusta Ada Lovelace

Period: Dec 10, 1815 to Nov 27, 1852

Difference Engine

Period: Jan 1, 1833 to Jan 1, 1933

Herman Hollerith

Period: Feb 29, 1860 to Nov 17, 1929

Alan Turing

Period: Jun 23, 1860 to Jun 7, 1929

Tommy Flowers

Period: Feb 22, 1905 to Oct 28, 1998

Steve Wozniak

Period: Aug 11, 1950 to Feb 13, 2013

Tim Bernes- Lee

Period: Jun 8, 1955 to Feb 13, 2013

Bill Gates

Period: Oct 23, 1955 to Feb 13, 2013