Who Was Alive

Were John von Neumann and Donald Trump alive at the same time?

Yes. John von Neumann and Donald Trump were alive at the same time for 10 years, from 1946 to 1957.

John von Neumann was 42 when Donald Trump was born.

Donald Trump was 10 when John von Neumann died, aged 53.

John von Neumann

Hungarian and American mathematician and physicist

Born 28 December 1903 · died 8 February 1957, aged 53

Donald Trump

President of the United States

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

  1. Albert Einstein
  2. Adolf Hitler
  3. John von Neumann
  4. Ronald Reagan
  5. Donald Trump
  6. Vladimir Putin
  7. Michael Jackson
  8. Barack Obama
John von Neumann 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.