Top news stories on activists from the NY Times.
Some places to start:
1. Look in the Pepperdine University Library catalog by subject. If a full-length biography is in the Pepperdine University collection, an entry will appear under the name of the person.
2. Good encyclopedias contain biographical material about well-known people of all nationalities.
3. E-Books can be a great place to find biographies, Try Ebrary and search for 'biography."