sentences:  The Middle Stone Age covers the period from 300,000 to 50,000 years ago.The hunter-gatherers of Southern Africa, named San by their pastoral neighbours, the Khoikhoi, and Bushmen by Europeans, are in all likelihood direct descendants of the first anatomically modern humans to migrate to Southern Africa more than 130,000 years ago.The term "Khoisan" groups the pre-Bantu populations of South Africa.