Wyatt Earp came to epitomize the marshal responsible for taming the Wild West.
Creating Miami Beach from a narrow spit of Florida swampland, Carl Fisher made a fortune until a devastating hurricane and the stock market crash of 1929 wiped him out.
Bascom Lamar Lunsford and his campaign to preserve mountain music and dance.
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.
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.
A brilliant scientist, Oppenheimer was tasked with the development of the atomic bomb during World War II.
General Douglas MacArthur led American troops in World Wars I and II before being fired by President Harry Truman during the Korean War.
Murderer, martyr, hero - John Brown's violent crusade against slavery would divide the nation and spark the Civil War.
A civil rights leader in Harlem before entering politics, Powell was one of the most charismatic black leaders of the 20th century.