Feitelberg Grigory (Grzegorz) (1879, Dvinsk, Vitebsk Governorate — 1953, Katowice, Poland) — conductor, violinist, composer.

Grigory Feitelberg was the son of a military conductor. From 1891 to 1896, he studied violin with S. Barcewicz and composition with Z. Noskowski at the Music Institute in Warsaw.

In 1896, he made his debut as a composer, receiving first prize in Leipzig for his First Sonata for violin and piano. From 1896, he performed in the orchestra of the “Teatr Wielki” in Warsaw, and from 1901 in the Philharmonic Orchestra, with which he made his conducting debut in 1904.

He was part of a group of Polish composers who founded the organization “Young Poland” in Berlin in 1905. He conducted in Warsaw (1906), Vienna (1912), and from 1911 toured extensively across Europe.

He conducted symphonic concerts in Petrograd and Pavlovsk, as well as opera productions at the Theatre of Musical Drama (1915–1918) and the Mariinsky Theatre (1918–1919).

In 1920, he conducted at the Bolshoi Theatre in Moscow and also performed with symphony orchestras. From 1921 to 1924, he conducted productions of Sergei Diaghilev’s “Russian Ballet” in Paris and London.

In 1923, he returned to Poland. From 1923 to 1924, he was chief conductor of the Warsaw Philharmonic and the Teatr Wielki. From 1934 to 1939, he was the founder and artistic director of the Grand Orchestra of Polish Radio.

From 1939 to 1947, Grigory Feitelberg lived in the United States. In 1947, he returned to Poland, where he led the Polish Radio Symphony Orchestra in Katowice and continued touring.

He composed in a neo-romantic style, including two symphonies (1905–1907), Polish Rhapsody (1913), Sonata for violin and piano and other chamber instrumental works.

He also completed several symphonic works by Mieczysław Karłowicz and Karol Szymanowski after their deaths.

Grigory Feitelberg was awarded the State Prize of the Polish People’s Republic in 1951.