Who Was Alive

Were Jean Piaget and Barack Obama alive at the same time?

Yes. Jean Piaget and Barack Obama were alive at the same time for 19 years, from 1961 to 1980.

Jean Piaget was 64 when Barack Obama was born.

Barack Obama was 19 when Jean Piaget died, aged 84.

Jean Piaget

Swiss psychologist, biologist, logician, philosopher and academic

Born 9 August 1896 · died 16 September 1980, aged 84

Barack Obama

44th President of the United States

Born 4 August 1961 · living, 65 as of September 2026

  1. Albert Einstein
  2. Adolf Hitler
  3. Jean Piaget
  4. Ronald Reagan
  5. Nelson Mandela
  6. Donald Trump
  7. Vladimir Putin
  8. Michael Jackson
  9. Barack Obama
Jean Piaget and Barack Obama 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.