Xavier Riddle travels back in time to meet heroes from the past - from Eleanor Roosevelt to Leonardo da Vinci. I am Michelangelo I am Dorothy Levitt I am Bessie Coleman I am King Sejong the Great I am Eugenie Clark I am Benjamin Banneker I am Grandmaster Flash I am Mary Seacole I am Hedy Lamarr I am Archimedes I am James Braidwood I am Queen Lili'uokalani I am Alvin Ailey I am Lucy Maud Montgomery