Who Was Alive

Were J. Robert Oppenheimer and Donald Trump alive at the same time?

Yes. J. Robert Oppenheimer and Donald Trump were alive at the same time for 20 years, from 1946 to 1967.

J. Robert Oppenheimer was 42 when Donald Trump was born.

Donald Trump was 20 when J. Robert Oppenheimer died, aged 62.

J. Robert Oppenheimer

American theoretical physicist

Born 22 April 1904 · died 18 February 1967, aged 62

Donald Trump

President of the United States

Born 14 June 1946 · living, 80 as of September 2026

  1. Albert Einstein
  2. Adolf Hitler
  3. J. Robert Oppenheimer
  4. Ronald Reagan
  5. Donald Trump
  6. Vladimir Putin
  7. Michael Jackson
  8. Barack Obama
J. Robert Oppenheimer and Donald Trump 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.