Who Was Alive

Were Denis Diderot and Napoleon alive at the same time?

Yes. Denis Diderot and Napoleon were alive at the same time for 14 years, from 1769 to 1784.

Denis Diderot was 55 when Napoleon was born.

Napoleon was 14 when Denis Diderot died, aged 70.

Denis Diderot

French Enlightenment philosopher writer and encyclopædist

Born 5 October 1713 · died 31 July 1784, aged 70

Napoleon

French military leader, French Emperor 1804–1814 and again in 1815

Born 15 August 1769 · died 5 May 1821, aged 51

Denis Diderot and Napoleon in bold, with some of their best-known contemporaries. Drag across to see the age each reached in any year. Faded ends mark uncertain dates.