In 1936 Angie Debo uncovered a widespread conspiracy and the U.S. government's theft of Native Americans' oil rich lands in Indian Territories of Oklahoma.
Head of the most powerful family in America, billionaire John D. Rockefeller's vast philanthropy changed his family's reputation.
A man who symbolized African American equality fought a proponent of Hitler's Aryan racial theories on the eve of World War II.
The young CBS reporter changed his pacifist ideals after reporting on the rise of fascism in Europe during World War II.
Eleanor Roosevelt supported the President's New Deal and advocated for civil rights, becoming one of the 20th century's most influential women.
A look at the poor Scottish emigrant boy who built a fortune in telegraphy, railroads and steel, and then began systematically to give it all away.
How five abolitionist allies turned a despised fringe movement against chattel slavery into a force that literally changed the nation.
William "Buffalo Bill" Cody's legendary exploits helped create the myth of the American West that still endures today.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.