Literature Resource Center This has biographies just about authors. But, it's still fun to check out where your favorite authors are from, what they did before they were authors, and their books listed in order.

Biography.com

http://www.biography.com/

Biography.com is particularly strong with conteporary figures - people who are famous right now - especially entertainers.

Encyclopaedia Brittanica Profiles; 300 Women Who Changed the World

http://search.eb.com/women

Learn about 300 women who changed the world—review their accomplishments, locate their birthplaces, and discover the eras in which they lived. 

PBS American Masters

http://www.pbs.org/wnet/americanmasters/database/database_music.html

Excellent Biographical information about figures in Visual Arts, Performing Arts, Music, LIteracture, Film/Television and more!