By jim-collins, Jim Collins
By Tom Young
By Duncan Clarke (Chairman of the Board, Global Pacific & Partners International Ltd)
By Amanda Kay McVety (Assistant Professor of History, Assistant Professor of History, Miami University)
By Joerg Wiegratz, Giuliano Martiniello, Elisa Greco
By Mary Todd
By Duncan Bannatyne
By Professor Callum Roberts
By Ronald Cox
By United Nations: Economic Commission for Africa
By Emmanuel Akyeampong (Harvard University, Massachusetts), Robert H. Bates (Harvard University, Nathan Nunn (Harvard University, James Robinson (Harvard University
By Philip D. Curtin
By Michael Twaddle (School of Oriental and African Studies, London, UK)
By Graeme Mount, Stephen Randall
By Professor of History Lakshmi Subramanian (University of Cyprus)
By Donald Crummey (Author)
By James Leonard Giblin
By Thomas Spear (Author)
By David Edgerton
By William Easterly (Professor of Economics, New York University)
By Margaret Attwood
By Richard Sandbrook
By Allen F. Isaacman, Barbara S. Isaacman
By Colette Braeckman
By Hans Kung
By Tony Killick
By Alec Gilmore
By David Kotz, Fred Weir
By Dietrich Rueschemeyer, etc., Evelyne Huber Stephens (Assistant Professor of Political Science, Northwestern University, USA), John D. Stephens (Lecturer of Political Science