Mandela was convicted of treason in 1964 , given a life sentence . Once free , Mandela worked with South Africa 's white president , F.W . Mandela , de Klerk shared Nobel Peace Prize . De Klerk's wife died during the trial and he had to leave South Africa for exile. Mandela was the first of his family to attend school .
Mandela was convicted of treason in 1964 , given a life sentence . Mandela , de Klerk shared Nobel Peace Prize . De Klerk's wife died during the trial and he had to leave South Africa for exile. Mandela was the first of his family to attend school .