Petrus Johannes Van Der MerweHistorian Petrus Johannes van der Merwe (1912-1979) was Professor at the History Department of Stellenbosch University (South Africa) from 1955 to 1977. His main interest was the history of the Trekboers (not the Voortrekkers). He was looking at the rekboers who left Cape Town from 1652 onwards. Read More Read Less