A descendant of kings who became the most famous black man in history: Life and legacy of Nelson Mandela, the secular saint who refused to give in to hate. Pictured at his South African home in 'triumphed as a symbol of national reconciliation betwe
Elijah McCoy invented an oil-dripping cup for trains. Other inventors tried to copy McCoy's oil-dripping cup. But none of the other cups worked as well as his, so customers started asking for "the real McCoy." That's where the expression comes from.