By Christopher Dyer
By Philip D. Curtin (The Johns Hopkins University)
By Dorothy H. Crawford (Professor of Medical Microbiology and Assistant Principal for the Public Understanding of Medicine, University of Edinburgh)
By Megan Vaughan
By Elizabeth Abbott
By James Traub
By Marc Ferro
By Eric Hobsbawm, Antonio Polito
By Gordon K. Lewis
By John Rule
By Danny Dorling, Kirsten McClure
By Noam Chomsky, Richard C. Lewontin, Ira Katznelson, Laura Nader, Richard Ohmann
By Charles Bettelheim
By Kanan Makiya
By David Reynolds, Ph.D. (Cambridge University)
By Louis A. Perez Jr.
By Tom Lodge
By China Keitetsi
By Yoweri K. Museveni
By W. Bruce Lincoln
By Samuel P. Huntington
By John Iliffe (University of Cambridge)
By Alan Campbell, Keith Gildart, John McIlroy
By Michael Farrel
By Paul Mason
By J.C.S. Mason
By Lin Noueihed, Alex Warren
By John Joseph Saunders
By Toyin Falola