Were Pierre-Augustin de Beaumarchais and Napoleon alive at the same time?
Yes. Pierre-Augustin de Beaumarchais and Napoleon were alive at the same time for 29 years, from 1769 to 1799.
Pierre-Augustin de Beaumarchais was 37 when Napoleon was born.
Napoleon was 29 when Pierre-Augustin de Beaumarchais died, aged 67.
Pierre-Augustin de Beaumarchais
French playwright, diplomat and polymath
Born 24 January 1732 · died 18 May 1799, aged 67
Napoleon
French military leader, French Emperor 1804–1814 and again in 1815
Born 15 August 1769 · died 5 May 1821, aged 51