Head of the most powerful family in America, billionaire John D. Rockefeller's vast philanthropy changed his family's reputation.
With data compiled from tens of thousands of sex questionnaires, Alfred Kinsey changed America's views about sex with the Kinsey Reports.
The ultimate frontiersman, Carson inspired popular novels before being associated with the "Long Walk" of the Navajo people.
Clemente was an exceptional baseball player whose career sheds light on larger issues of immigration, civil rights and cultural change.
Two days in 1967 revealed a nation divided over a war that continues to haunt us.
A minute-by-minute account, on both sides of the Pacific, leading up to the surprise attack on the U.S. fleet at Pearl Harbor.
Brothers Wilbur and Orville Wright built a flying machine that made its first flight in Kitty Hawk, North Carolina in 1903.
President Richard Nixon and Henry Kissinger initiated a secret diplomatic breakthrough with Mao Tse-tung that shocked and changed the world.