Head of the most powerful family in America, billionaire John D. Rockefeller's vast philanthropy changed his family's reputation.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.
A star in baseball's golden age, Joe DiMaggio's celebrity status and tumultuous marriage to Marilyn Monroe brought him pain.
Silent film actress Mary Pickford played a pivotal role in bringing Hollywood into the center of the motion picture industry.
His stunning triumph at the 1936 Olympic Games captivated the world even as it infuriated the Nazis. Premiering May 1.
A civil rights leader in Harlem before entering politics, Powell was one of the most charismatic black leaders of the 20th century.