Which are the best books on the Enlightenment? Jonathan Israel, one of the leading historians of early modern Europe, recommends his top five.

Immanuel Kant was born in Königsberg, lived in Königsberg, and never travelled very far from Königsberg—but his mind ranged across vast territories, says Oxford philosophy professor, Adrian Moore. He selects five key texts for coming to grips with the work of "the greatest philosopher of all time."

Hume had a message he wanted to get out — particularly as regards skepticism about religion — but he was no proto-Richard Dawkins, says Cambridge philosopher, Simon Blackburn. He chooses the best books on (or by) David Hume.

The 18th century composer, writer and philosopher spent his latter years "alone upon the earth, having no brother, or neighbour, or friend, or society but myself". But he only had himself to blame, says philosophy professor and Rousseau scholar Chris Bertram. Here, he chooses the best five books on this complex man's life and work.

The eighteenth-century philosopher wielded his powers of ridicule and witticism against religious fanatics—but always championed free speech and religious toleration. He was also a historian, scientist, poet, playwright, and political activist. Nicholas Cronk, General Editor of the Complete Works of Voltaire gives a detailed look at the polymathic philosophe.

Modern science emerged only when it became acceptable to ask any question about anything – and that required erosion of traditional hierarchies, says the science writer

The author of The Scandal of the Season – and Princeton University professor – gives an 18th century literature specialist's view of the Enlightenment.