Alexander Konstantinovich Glazunov[a] (Russian: Алекса́ндр Константи́нович Глазуно́в, 10 August[b] 1865 – 21 March 1936) was a Russian composer, music teacher, and conductor of the late Russian Romantic period. He was director of the Saint Petersburg Conservatory between 1905 and 1928 and was instrumental in the reorganization of the institute into the Petrograd Conservatory, then the Leningrad ..