Nelson Mandela
Nelson Mandela and his then wife, Winnie, salute well-wishers as he leaves Victor Verster prison on February 11, 1990.
This undated photograph shows Nelson Mandela and his former wife, Winnie.
South African State President Frederik Willem de Klerk, left, and Deputy President of the African National Congress Nelson Mandela, right, prior to talks between the ANC and the South African government, Cape Town, May 2, 1990.
ANC leader and symbol of resistance to apartheid, Nelson Mandela, is seen as he gives the black power salute to the 120,000 ANC supporters in Soweto's Soccer City stadium in Soweto, near Johannesburg, South Africa, Feb. 13, 1990.
Nelson Mandela attends a rally in this 1993 photo.
President Nelson Mandela and Britain's Prince Charles shake hands alongside members of the Spice Girls' Emma (L), and Gerri (R) at Mr. Mandela's residence November 1, 1997.
The former South African president, left, and his wife, Graca Machel, wave to the audience during a Live 8 concert in Johannesburg, South Africa, July 2, 2005.
Former South African President Nelson Mandela jokes with youngsters as they celebrate his 89th birthday at the Nelson Mandela Children’s Fund in Johannesburg, July 24, 2007.
Former South African president Nelson Mandela, center, followed by his grandson Mandla Mandela, rear right, arrives at the ceremony in Mvezo, South Africa, April 16, 2007.
FILE - Former South African President Nelson Mandela waves to the media as he arrives outside 10 Downing Street, in central London, 28 August 2007.
South Africa's former President Nelson Mandela waves as he arrives to attend the 2010 World Cup football final Netherlands vs. Spain on July 11, 2010 at Soccer City stadium in Soweto, suburban Johannesburg.
Mandela poses for a photograph after receiving a torch to celebrate the African National Congress' centenary in his home village, Qunu, in rural eastern South Africa, May 30, 2012.
School children read the history of former South African president Nelson Mandela written on a chalkboard, ahead of the opening of a container library by the Bill Clinton Foundation in celebration of Mandela Day, at a school in Qunu, July 17, 2012.
Children sing happy birthday in honor of former South African president Nelson Mandela during celebrations for Mandela's birthday in Mvezo, South Africa, July 18, 2012.