Nancy L. Clark is Dean and Professor of History Emeritus at Louisiana State University, USA. Her publications include Manufacturing Apartheid: State Corporations in South Africa (1994) and Voices of Sharpeville: The Long History of Racial Injustice (2024).

William H. Worger is Professor of History Emeritus at the University of California, Los Angeles, USA. His publications include South Africa's City of Diamonds: Mine Workers and Monopoly Capitalism in Kimberley, 1867-1895 (1987), Africa and The West: A Documentary History, volume 1, From the Slave Trade to Conquest, 1441-1905, and volume 2, From Colonialism to Independence, 1875 to the Present (2010).