Bachelor of Science, University Pretoria, 1961. Master of Science, University Pretoria, 1964. Arts examination, University Amsterdam, The Netherlands, 1968.
Physician, University Groningen, The Netherlands, 1974.
Specialist physician University Pretoria, 1975-1979. Principal specialist, professor Medical University South Africa, since 1979.
Member South African Gastroenterology Society.
Son of Christiaan Frederik Van der Merwe and Veronica Du Toit. Married Trudy Ina Keuning, October 24, 1970. 3 children.