Who Was Alive

Were Donald Knuth and Donald Trump alive at the same time?

Yes. Donald Knuth and Donald Trump were alive at the same time for 80 years, from 1946 to today.

Donald Knuth was 8 when Donald Trump was born.

Donald Knuth

American computer scientist and mathematician

Born 10 January 1938 · living, 88 as of September 2026

Donald Trump

President of the United States

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

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