. "State President of South Africa" . "Minister of Finance" . "Nicolaas Johannes Diederichs"@en . "1903Z"^^ . . "Diederichs, Nicolaas Johannes"@en . . "1978Z"^^ . "1903-11-17Z"^^ . . . . . . . . . "South African politician" . "1978-08-21Z"^^ . . "Nicolaas Diederichs (17 November 1903, Ladybrand \u2013 21 August 1978) served as the third State President of South Africa from 1975 to 1978.An economist, Diederichs obtained a doctorate from the University of Leiden. During the 1930s and 1940s he became a prominent figure in Afrikaner nationalist circles. He founded the Reddingsdaadbond organisation to promote the economic wellbeing of Afrikaners.Diederichs was a National Party member of Parliament from 1953 to 1975."@en .