Hyacinthe Eléonore Klosé (11 October 1808 – 29 August 1880) was a French clarinet player, professor at the Conservatoire de Paris, and composer.Klosé was born in Corfu (Greece). He was second clarinet at the Théâtre Italien to Frédéric Berr beginning in 1836, then to Iwan Müller following Berr's death in 1838, finally becoming solo clarinettist when Müller left in 1841.In the Paris Conservatory, Klosé had many notable pupils including: