Here are the life stories of eight remarkable people who were born and grew up in America and who made their mark upon American history. They represent the remarkable individuality and sense of enterprise and courage that has marked the American hero. Their personalities were very different, from the frontier spirit of Davy Crockett and inventive, entrepreneurial qualities of Henry Ford, to the quieter, but no less impressive courage of Clara Barton and Helen Keller. And then there was the unique story of Martin Luther King.