Archibald Scott Couper was born on 31 March 1831. He was Scottish national and known as Chemist.
François Couperin was born on 10 November 1668. He was French national and known as Composer, Organist, Musician, Viol player,.
Louis Couperin was born on 1626 AD. He was French national and known as Composer.
Louis Couperus was born on 10 June 1863. He was Dutch national and known as Novelist.
