Saul Dubow is Smuts Professor of Commonwealth History at the University of Cambridge. He is the author of books, edited collections, and articles about nineteenth and twentieth-century South African history including Scientific Racism in Modern South Africa (1995), A Commonwealth of Knowledge (2006), South Africa's Struggle for Human Rights (2012), and Apartheid 1948–1994 (2014). He is the editor of Science and Society in Southern Africa (2000).