Who Was Alive

Were Henri Poincaré and Adolf Hitler alive at the same time?

Yes. Henri Poincaré and Adolf Hitler were alive at the same time for 23 years, from 1889 to 1912.

Henri Poincaré was 34 when Adolf Hitler was born.

Adolf Hitler was 23 when Henri Poincaré died, aged 58.

Henri Poincaré

French mathematician, physicist and engineer

Born 29 April 1854 · died 17 July 1912, aged 58

Adolf Hitler

Dictator of Germany from 1933 to 1945

Born 20 April 1889 · died 30 April 1945, aged 56

  1. Abraham Lincoln
  2. Karl Marx
  3. Henri Poincaré
  4. Mahatma Gandhi
  5. Vladimir Lenin
  6. Albert Einstein
  7. Adolf Hitler
  8. Ronald Reagan
  9. Nelson Mandela
Henri Poincaré and Adolf Hitler 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.