From Herod to Papa Doc Duvalier, from Nero to Saddam Hussein, here are 50 chilling portraits of the despots whose iron-fisted rule left an indelible mark on the history of the world. Presenting a compelling chronology of the moments in history when the principles of government and law were corrupted by the vain, ambitious and unscrupulous, 'The Tyrants' recounts the story of each dictator individually.