Stefanus Lourens Muller was a South African politician, a member of the National Party

National Party (South Africa)

The National Party is a former political party in South Africa. Founded in 1914, it was the governing party of the country from 4 June 1948 until 9 May 1994. Members of the National Party were sometimes known as Nationalists or Nats. Its policies included apartheid, the establishment of a...

, MP for Ceres (1961–1979), vice-Minister of Justice (1966), Police (1966–1968), Finance (1966–1968), Economic Affairs (1966–1968), and Minister of Home Affairs (1968–1970), Police (1968–1974), Economic Affairs (1970–1974) and Transport (1974–1979) in the governments of John Vorster and Pieter Botha.