Felix Mikhailovich Blumenfeld (Russian: Фе́ликс Миха́йлович Блуменфе́льд; 19 April 1863 – 21 January 1931) was a Russian composer, conductor of the Imperial Opera St-Petersburg, pianist, and teacher.He was born in Kirovograd (in present-day Ukraine), Kherson Governorate, Russian Empire, the son of Mikhail Frantsevich Blumenfeld, of Austrian Jewish origin, and the Pole Maria Szymanowska. He 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.

Comments about etude op 48 by Felix Blumenfeld