Who Was Alive

Were Roger Penrose and Barack Obama alive at the same time?

Yes. Roger Penrose and Barack Obama were alive at the same time for 65 years, from 1961 to today.

Roger Penrose was 29 when Barack Obama was born.

Roger Penrose

English mathematical physicist, recreational mathematician and philosopher

Born 8 August 1931 · living, 95 as of September 2026

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. Nelson Mandela
  5. Roger Penrose
  6. Donald Trump
  7. Vladimir Putin
  8. Michael Jackson
  9. Barack Obama
Roger Penrose 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.