What was Niel Barnard title during F. W. de Klerk state presidency from Aug 1989 to May 1994?
Niel Barnard Dr Lukas Daniel 'Niël' Barnard (born 1949) is a former head of South Africa's National Intelligence Service and was notable for his behind-the-scenes role in preparing Nelson Mandela and South African presidents P.W. Botha and F. W. de Klerk for Mandela's eventual and, as he saw it, inevitable, release from prison and rise to political power.
Thomas François Burgers Thomas François Burgers (15 April 1834 – 9 December 1881) was the 4th president of the South African Republic from 1872 to 1877. He was the youngest child of Barend and Elizabeth Burger of the farm Langefontein in the Camdeboo district of Graaff Reinet, Cape Colony.