Philanthropy has come from women involved in an array of professional pursuits, including business, politics, social services and entertainment. With Melinda Gates spearheading multi-billion dollar health and education efforts, Audrey Hepburn serving as a UNICEF ambassador and Oprah Winfrey opening a school for girls in South Africa, these visionaries and their peers remind us of our connection to each other and the importance of caring.

Visit's Women's History group to explore more biographies, photos and videos of some the world's most fascinating women.