Born a slave in Maryland, Harriet Tubman knew first-hand what it meant to be someone's property; she was whipped by owners and almost killed by an overseer. It was from other field hands that she first heard about the Underground Railroad, which she travelled by herself north to Philadelphia. Throughout her long life, and long after the Civil War brought an end to slavery, this amazing woman was proof of what just one person can do.

If not for a stint in reform school, young Louis Armstrong might never have become a musician. It was a teacher at the Colored Waifs' Home who gave him a cornet, promoted him to band leader, and saw talent in the tough kid from the even tougher New Orleans neighborhood called Storyville. But it was Louis Armstrong's own passion and genius that pushed jazz into new and exciting realms.