Were Marquis de Sade and Charles Darwin alive at the same time?
Yes. Marquis de Sade and Charles Darwin were alive at the same time for 5 years, from 1809 to 1814.
Marquis de Sade was 68 when Charles Darwin was born.
Charles Darwin was 5 when Marquis de Sade died, aged 74.
Marquis de Sade
French nobleman, revolutionary politician, philosopher and writer of erotic works
Born 2 June 1740 · died 2 December 1814, aged 74