Were Robert Boyle and Johann Sebastian Bach alive at the same time?
Yes. Robert Boyle and Johann Sebastian Bach were alive at the same time for 6 years, from 1685 to 1691.
Robert Boyle was 58 when Johann Sebastian Bach was born.
Johann Sebastian Bach was 6 when Robert Boyle died, aged 64.
Robert Boyle
Anglo-Irish natural philosopher, chemist, physicist, and inventor
Born 25 January 1627 · died 31 December 1691, aged 64
Johann Sebastian Bach
German composer
Born 21 March 1685 (Julian calendar) · died 28 July 1750, aged 65