Bachelor of Science in Land Surveying, Grey College, Bloemfontein, 1969.
Private practice, Johannesburg, 1984—1988. Technical director Optron Ltd., 1989—1990. Senior lecturer University Pretoria, since 1991.
Combat officer South African Navy, 1970-1975, Simons Town.
Son of Bernardus Van der Merwe and Beatrice Van Schalkwyk. Married Maru Wolhuter, July 7, 1979. Children: Maru, Greta, Bernard.