Nelson Mandela (1918 – 2013) was a South African dissident who fought to bring about the end of racist apartheid rule, and who served as the first black head of state of his country from 1994 to 1999.
Dietrick Bonhoeffer (1906-1945) was a German pastor, theologian and anti-Nazi dissident. He was opposed to Hitler’s genocide of the Jews, and ran “underground seminaries” during the war. In 1943 he was imprisoned by the Gestapo. Bonhoeffer was executed in the spring of 1945.