Tags: Ambassador.
Pieter G. J. Koornhof (2 August 1925 – 12 November 2007) was a South African politician. As an apartheid-era National Party cabinet minister he held various portfolios in the cabinets of B.J. Vorster and P.W. Botha and was later appointed ambassador to the United States. After the end of apartheid he joined the African National Congress in 2001.