Lyn Wadley is a Professor based in the Evolutionary Studies Institute at the University of the Witwatersrand (South Africa) where she specializes in Middle Stone Age cognitive archaeology. She is an A1-rated National Research Foundation researcher and recipient of some of South Africa’s top research awards. In 2014 and 2015, she was on the Thomson-Reuters High Citation list that records the top 1% of researchers globally. Her research into cognitive archaeology provides theory and methods for demonstrating that some Stone Age technologies can be proxies for complex brain power. She has excavated three important Middle Stone Age archaeological sites: Rose Cottage Cave in the eastern Free State and Sibudu and Border Caves in KwaZulu-Natal.