Marcus Garvey, a black nationalist leader from Jamaica, had great successes and failures before being jailed and deported from the US in 1927.
Malcolm X, a man who both terrified and inspired, expressed the anger and struggle of black people for freedom in the 1960s.
George Eastman introduced the Kodak and Brownie camera systems and transformed photography into something anybody could do.
Mathematician and paranoid schizophrenic John Nash's work became a foundation of modern economic theory.
James Michael Curley and his sophisticated political machine dominated Boston for almost half a century.
A star in baseball's golden age, Joe DiMaggio's celebrity status and tumultuous marriage to Marilyn Monroe brought him pain.
The converging forces, circumstances, personalities and events that propelled a group of English men and women west across the Atlantic in 1620.
Their intense faith and strict adherence to 300-year-old traditions have by turn captivated and repelled, awed and irritated, inspired and confused America.