Happy International Women's Day!
And in recognition of this day, I thought I might post a few links to some sites that present biographies of and information about many great women mathematicians.
A quick Google search will get you to some of these:
Biographies of Women Mathematicians
Wikipedia List of Female Mathematicians
Five Historic Female Mathematicians You Should Know - The Smithsonian
Famous Women Mathematicians
Famous Women Scientists and Mathematicians