Were Georges-Louis Leclerc, Comte de Buffon and George Washington alive at the same time?
Yes. Georges-Louis Leclerc, Comte de Buffon and George Washington were alive at the same time for 56 years, from 1732 to 1788.
Georges-Louis Leclerc, Comte de Buffon was 24 when George Washington was born.
George Washington was 56 when Georges-Louis Leclerc, Comte de Buffon died, aged 80.
Georges-Louis Leclerc, Comte de Buffon
French natural historian
Born 7 September 1707 · died 15 April 1788, aged 80
George Washington
Founding Father and first U.S. president
Born 22 February 1732 · died 14 December 1799, aged 67