Before he became the first U.S. president, service to the colonies would profoundly change George Washington.
With data compiled from tens of thousands of sex questionnaires, Alfred Kinsey changed America's views about sex with the Kinsey Reports.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
Head of the most powerful family in America, billionaire John D. Rockefeller's vast philanthropy changed his family's reputation.
The women's suffrage movement won the right to vote when the 19th Amendment passed in 1920.
Football coach Knute Rockne of Notre Dame was a pivotal figure in the sudden rise of sports to a position of power in American culture.
At the height of segregation, an unlikely alliance between a black medical genius and a white surgeon led to a pioneering medical breakthrough.
Murderer, martyr, hero - John Brown's violent crusade against slavery would divide the nation and spark the Civil War.