Nelson Mandela
Graça Machel (née Simbine ; born 17 October 1945) is a Mozambican politician and humanitarian. She is the widow of former President of Mozambique Samora Machel (1975–1986) and former President of South Africa Nelson Mandela (1998–2013). Machel is an international advocate for women's and children's rights and was made an honorary Dame Commander of the Order of the British Empire by Queen Elizabeth II in 1997 for her humanitarian work. Wikipedia