Isaac Mogase
Isaac Dank Mogase was the first post-apartheid mayor of Johannesburg.
An anti-apartheid activist, he joined the ANC Youth League in the 1950s and was one of the leaders of the Soweto Crisis Committee in the 1980s. He was jailed numerous times for his political activities.
Mogase later served as a member of the National Assembly of South Africa from 2004 till 2012.