In 1936, GM and Ford could not stop one of the worst battles of the American labor movement.
President Richard Nixon and Henry Kissinger initiated a secret diplomatic breakthrough with Mao Tse-tung that shocked and changed the world.
A man who symbolized African American equality fought a proponent of Hitler's Aryan racial theories on the eve of World War II.
The life of the legendary photographer, known best for his black and white images of the wilderness of the American West.
Head of the most powerful family in America, billionaire John D. Rockefeller's vast philanthropy changed his family's reputation.
John Wesley Powell's epic journey into the unknown Grand Canyon was filled with adventure as his team mapped the Colorado River for the first time.
Clemente was an exceptional baseball player whose career sheds light on larger issues of immigration, civil rights and cultural change.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.