South African architect, in Nylstroom, Republic of Transvaal. Imprisoned at age 10 in a concentration camp where Britain imprisoned Afrikaner and black people during the Second Anglo-Boer War, he managed an education, and was awarded his first architectural commission, for a church, at age 23. He designed 80 churches, preferring to work in stone, as well hospitals, city halls and banks throughout South Africa. His major commissions included South Africa's Reserve Bank Building in Bloemfontein, the Libertas Building in Pretoria, and the Merensky Library at the University of Pretoria. He is most famous for his formidable Voortrekker Monument.