Raoul Wallenberg is shown in this undated black and white file photo. (AP Photo/Scanpix)
Raoul Wallenberg, 1985
Wallenberg, a Swedish diplomat, is credited with saving tens of thousands of Hungarian Jews from the Holocaust during the Second World War. He was imprisoned by the Soviets after the war; his exact fate remains unknown.
Former South African president Nelson Mandela waves to the crowd as he is helped along by Prime Minister Jean Chretien upon their arrival for a ceremony making Mandela an honorary citizen of Canada, in Hull, Quebec, Monday Nov. 19, 2001. The Canadian Press/Tom Hanson
Nelson Mandela, 2001
The legendary politician, leader and anti-apartheid activist, Mandela assumed the presidency of South Africa in 1994, shortly after his relase from a 27-year prison sentence and a year after he was awarded the Nobel Peace Prize.
Tenzin Gyatso the 14th Dalai Lama of Tibet bids goodbye to the crowd at the Rogers Centre in Toronto on Friday October 22, 2010 after delivering a speech on the 'approaches to world peace'. THE CANADIAN PRESS/Chris Young
The Dalai Lama, 2006
Tenzin Gyatso, the 14th Dalai Lama, was awarded the 1989 Nobel Peace Prize and has lived a life in exile advocating for peace and the improvement of human rights in his native Tibet, making him a massive international celebrity.
Myanmar opposition leader Aung San Suu Kyi delivers a speech during a ceremony at her National League for Democracy (NLD) party headquarters in Yangon, Myanmar, Friday, Sept. 27, 2013. (AP Photo/Soe Zeya Tun)
Aung San Suu Kyi, 2007
The Burmese opposition politican spent a significant chunk of her political career under house arrest before her 2010 release. Suu Kyi won the 1991 Nobel Peace Prize "for her non-violent struggle for democracy and human rights," according to the Nobel Committee.
His Highness the Aga Khan delivers a speech at the Aga Khan Museum in Toronto on Friday, May 28, 2010. THE CANADIAN PRESS/Nathan Denette
The Aga Khan, 2011
The spiritual head of Ismaili Muslims, Prince Shah Karim Al Hussaini is one of the richest royals in the world, and has devoted a considerable amount of his fortune to fighting poverty, promoting the status of women, advocating for pluralism, and assisting with Third World development.
