Prof. Terence McCarthy is Professor of Mineral Geochemistry at the University of the Witwatersrand. He has wide research interests in the earth sciences, including economic and environmental geology, geochemistry and geomorphology, and is a leading expert on the geology of wetlands, especially the Okavango Delta in Botswana.
Prof. Bruce Rubidge is director of the Bernard Price Institute for Palaeontological Research at the University of the Witwatersrand. Passionate about fossils, he is an authority on the formation of the Karoo Basin and the evolution of its fauna, especially the mammal-like reptiles.
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