Izak David du Plessis, who published under the name I.D. du Plessis (June 25, 1900, in Cape Town, South Africa – December 11, 1981 in Cape Town), is an Afrikaans-language writer. A successful writer in many genres, he is included among the Dertigers.1
1Lindenberg, E., et al. "Inleiding tot die Afrikaanse Letterkunde". Pretoria and Cape Town: Fifth edition, 1980.