Who Was Alive

Were I. M. Pei and Barack Obama alive at the same time?

Yes. I. M. Pei and Barack Obama were alive at the same time for 57 years, from 1961 to 2019.

I. M. Pei was 44 when Barack Obama was born.

Barack Obama was 57 when I. M. Pei died, aged 102.

I. M. Pei

Chinese-American architect

Born 26 April 1917 · died 16 May 2019, aged 102

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. Ronald Reagan
  4. I. M. Pei
  5. Nelson Mandela
  6. Donald Trump
  7. Vladimir Putin
  8. Michael Jackson
  9. Barack Obama
I. M. Pei 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.