Alexander Porfiryevich Borodin (Russian: Александр Порфирьевич Бородин, tr. Aleksandr Porfir’yevich Borodin, IPA: [ɐlʲɪkˈsandr pɐrˈfʲi rʲjɪvʲɪtɕ bərɐˈdʲin] ; 12 November 1833 – 27 February 1887) was a Russian chemist and Romantic musical composer of Georgian ancestry. He was one of the prominent 19th-century composers known as "The Five", a group dedicated to producing a uniquely Russian kind of Classical music. Borodin is known best for his symphonies, his two string quartets, the symphonic poem In the Steppes of Central Asia and his opera Prince Igor.