Nelson Mandela gives the power salute at the residence of Archbishop Desmond Tutu on Feb 15, 1990, one day after being released from prison. Nelson Rolihlahla Mandela is known worldwide for his struggle to overthrow white racism in South Africa for 50 years (1944-1994) and winning the Nobel Peace Prize for his efforts. He spent 27 years in prison from 1962- to 1990, and finally became the first black president of the country, bringing a unified and democratic South Africa.[Photo/CFP]