This is a great list of famous people who did their learning at home. Includes presidents, athletes, performers, scientists, artists, inventors, educators, writers, and entrepreneurs. 

Unschooling is the process of learning in freedom. This site supports those efforts, with books, resources, articles, and lots of great information for families interested in self-directed learning or unschooling. With helpful ideas and resources to let your child learn outside of a school environment and be successful and joyful.