Angela Davis was once on the FBI's most wanted list, and in 1980, ran for Vice President of the US on the Communist Party ticket. She achieved tenure at the University of California at Santa Cruz though former governer Ronald Reagan swore she would never teach again in the University of California system.

About being a radical, Angela Davis said, "Radical simply means 'grasping things at the root.'" Read more about this philosopher, activist, and educator:

• Angela Davis - about her life and work
• Angela Davis Quotes