Felix Mikhailovich Blumenfeld (Russian: Феликс Михайлович Блуменфельд; 19 April 1863 [O.S. 7 April] – 21 January 1931) was a Russian composer, conductor and pianist. He was born in Kovalevka, Kherson, Ukraine, and studied composition at the St. Petersburg Conservatory under Nikolai Rimsky-Korsakov and piano under Fedor Stein between 1881 and 1885. He then taught piano there himself from 1885 until 1918, whilst also serving as conductor of the Mariinsky Theatre until 1911. This theatre saw the premieres of the operas composed by his teacher and mentor Rimsky-Korsakov, and he was also the conductor at the Russian premiere of Wagner's opera Tristan und Isolde. In 1908, he conducted the Paris premiere of Mussorgsky's opera Boris Godunov From 1918 to 1922, he was the director of the conservatory of Kiev, where, amongst others, Vladimir Horowitz was a pupil in his masterclasses. He returned to the Moscow Conservatory in 1922, teaching there until his death. Other famous pupils of his include Simon Barere and Maria Yudina. He died in Moscow. As a pianist, he played many of the compositions of his Russian contemporaries. His compositions, which showed the influence of Frédéric Chopin and Peter Tchaikovsky, include a symphony, pieces for solo piano, an Allegro de Concert for piano and orchestra, and lieder. His virtuoso pieces for piano in particular are enjoying something of a renaissance in recent years. He was the uncle of Heinrich Neuhaus.