By the age of seven, cellist Yo-Yo Ma was performing for President Kennedy, and by 15 he debuted at Carnegie Hall. Maya Angelou, on the other hand, didn't embark on her writing career until she was 40. What propels some individuals to reach extraordinary creative heights in the earliest years of life while others discover their passions decades later? In this series of linked biographies, Claudia Kalb looks for answers as she follows the journeys of 13 remarkable individuals, including Pablo Picasso, Shirley Temple, Julia Child, Eleanor Roosevelt, Bill Gates, Isaac Newton, and Grandma Moses.