(CNN)Meet 10 remarkable trailblazers who have truly changed the world. Each one has found a way to use their knowledge and inspiration to help countless others.
Trailblazers on how to change the world
Programming note: Vote for CNN Hero of the Year right here and find out who wins when Anderson Cooper hosts “CNN Heroes: An All-Star Tribute,” Sunday, December 9 at 8 p.m. ET.
Their stories will move you.