Nancy L. Clark is Dean and Professor of History Emeritus at Louisiana State University. Her publications include Manufacturing Apartheid: State Corporations in South Africa (1994).

William H. Worger is Professor of History Emeritus at the University of California, Los Angeles. His publications include South Africa's City of Diamonds: Mine Workers and Monopoly Capitalism in Kimberley, South Africa (1987).

Both are Research Fellows at the Department of History, University of the Free State (UFS), South Africa.