Who Was Alive

Were James Chadwick and Barack Obama alive at the same time?

Yes. James Chadwick and Barack Obama were alive at the same time for 12 years, from 1961 to 1974.

James Chadwick was 69 when Barack Obama was born.

Barack Obama was 12 when James Chadwick died, aged 82.

James Chadwick

English physicist (1891-1974), who discovered the neutron in 1932

Born 20 October 1891 · died 24 July 1974, aged 82

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. James Chadwick
  4. Ronald Reagan
  5. Nelson Mandela
  6. Donald Trump
  7. Vladimir Putin
  8. Michael Jackson
  9. Barack Obama
James Chadwick 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.