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Senior research scientist, University of the Witwatersrand

Sam Challis is Head and Senior Researcher at the Rock Art Research Institute, University of the Witwatersrand. His focus is on the interaction between hunter-gatherers, pastoralists and farmers, as well as Europeans, as expressed in rock art around the world. His DPhil focused on the acquisition of horses by creolized raider groups in the nineteenth-century, and his research programme in the mountains of Matatiele in the Eastern Cape, aims to redress the imbalance of this neglected former-apartheid region while training local community Field Technicians.