James David Lewis-Williams is a South African scholar. He was born in Cape Town in 1934. He is best known for his research on southern African San (Bushmen) rock art, of which it can be said that he found a 'Rosetta Stone'. He was the founder and previous director of the Rock Art Research Institute and is currently professor emeritus of cognitive archaeology at the University of the Witwatersrand (WITS). Lewis-Williams is recognised by the National Research Foundation (NRF) of South Africa as a leading international researcher, with an A1 rating..