By Matthew Parker
By Jeremy Black
By David Chandler
By JULIAN THOMPSON
By C.V. Wedgwood
By Gustaaf Geeraerts, Patrick Stouthuysen
By Arkady Babchenko
By Tim Lynch, Mirrorpix
By Richard Doherty
By Ian Taylor (University of St. Andrews, UK)
By Tim Spicer
By Francis M. Deng
By Martin Doornbos, Lionel Cliffe, Abdel Ghaffar M. Ahmed
By Jonathan Laverick
By Max Arthur
By Aleksandr Fursenko, Timothy J. Naftali
By Larisa Brown
By I. William Zartman
By Peter Crossland
By Marine Ormrod
By Mike Rossiter
By Hugh Bicheno
By M Nicol
By James Bradley
By David J. Whittaker
By Antony Beevor
By Bryan Perrett
By Sunday Times Insight team
By Donna Hicks, PhD, Desmond Tutu