Great female entrepreneurs....?

The only one I can think of is Mary Kay Ash,
founder of Mary Kay Cosmetics. Oh, and Helen
Gurly Brown of Cosmo fame.

> Who are some great female entrepreneurs?

> I can think of Estee Lauder and Anita
> Roddick (founder of "The Body
> Shop") off-hand.... Who are some other
> great female entrepreneurs, and what did
> they do?

> I know there are plenty of great female
> entrepreneurs, and I'm mainly asking to help
> round out my knowledge.... Thanks for any
> help....

> Dien