The Russian composer who composed "Prisoner of the Caucasus" was born O.S. 6 January 1835.
Prisoner of the Caucasus (" " in Cyrillic, "Kavkazskij plennik" in transliteration) is an opera in three acts, composed by Csar Cui. 
Csar Antonovich Cui (Russian:    ; 18 January[O.S. 6 January]1835 13 March 1918) was a Russian composer and music critic of French, Polish and Lithuanian descent. 
