
Ada Lovelace is one of the most important (Even though she's dead) woman in the world. She invented computer programing before computers were even invented! She was a great mathmation and belived that every child shoud have the right to an education.
Here are some sites about her
http://www-groups.dcs.st-and.ac.uk/~history/Biographies/Lovelace.html
http://www.well.com/~adatoole/bio.htm