Question: What Polish composer grew up in Warsaw and had a biographer that was a british musicologist?

full_context: Document 1: Alfred Brendel: Alfred Brendel KBE (born 5 January 1931) is an Austrian pianist, poet and author, known particularly for his performances of Mozart, Schubert, Schoenberg, and especially Beethoven.
Document 2: Piano Concerto No. 2 (Chopin): The Piano Concerto No. 2 in F minor, Op. 21, is a piano concerto composed by Frédéric Chopin in 1829. Chopin wrote the piece before he had finished his formal education, at around 20 years of age. It was first performed on 17 March 1830, in Warsaw, Poland, with the composer as soloist. It was the second of his piano concertos to be published (after the Piano Concerto No. 1), and so was designated as "No. 2", even though it was written first.
Document 3: Arthur Wills (musician): Dr Arthur Wills OBE (born 1926) is a musician, composer, and professor. He was Director of Music at Ely Cathedral from 1958 to 1990, and also held a Professorship at the Royal Academy of Music in London from 1964 until 1992. He has toured extensively as a recitalist in Europe, North America, Australia, New Zealand, and Hong Kong, and has broadcast, appeared on TV and made many recordings, both as a soloist and with the Ely Choir.
Document 4: Life of Franz Liszt: Franz Liszt (October 22, 1811July 31, 1886) was a prolific 19th-century Hungarian composer, virtuoso pianist, conductor, music teacher, arranger, organist, philanthropist, author, nationalist and a Franciscan tertiary. Liszt is widely considered to be the greatest pianist of all time.
Document 5: Piano sonatas (Chopin): Frédéric Chopin composed three piano sonatas, two being published in his lifetime, one posthumously. They are often considered to be among Chopin's hardest piano compositions both musically (along with his Polonaise-fantaisie, Op. 61) and technically (along with his Allegro de concert, Op. 46). They cover a period of time from 1828 to 1844, reflecting Chopin's style changes.
Document 6: Arthur Fiedler: Arthur Fiedler (December 17, 1894 – July 10, 1979) was a long-time conductor of the Boston Pops Orchestra, a symphony orchestra that specializes in popular and light classical music. With a combination of musicianship and showmanship, he made the Boston Pops one of the best-known orchestras in the United States. Fiedler was sometimes criticized for over-popularizing music, particularly when adapting popular songs or edited portions of the classical repertoire, but he kept performances informal and sometimes self-mocking to attract a bigger audience.
Document 7: Heinrich Neuhaus: Heinrich Gustavovich Neuhaus (Russian: Ге́нрих Густа́вович Нейга́уз , "Genrikh Gustavovič Nejgauz"; 12 April [O.S. 31 March] 1888 10 October 1964) was a Soviet pianist and pedagogue of German extraction. He taught at the Moscow Conservatory from 1922 to 1964. He was made a People's Artist of the RSFSR in 1956. His pedagogic book "The Art of Piano Playing" (1958) is regarded as one of the most authoritative and most widely used treatments on the subject. He died in Moscow in 1964.
Document 8: Arthur Hedley: Arthur Hedley (12 November 19058 November 1969) was a British musicologist, scholar and biographer of Polish-French composer Frédéric Chopin.
Document 9: Frédéric Chopin: Frédéric François Chopin ( ; ] ; born Fryderyk Franciszek Chopin, 1 March 181017 October 1849) was a Polish composer and virtuoso pianist of the Romantic era who wrote primarily for the solo piano. He gained and has maintained renown worldwide as a leading musician of his era, whose "poetic genius was based on a professional technique that was without equal in his generation." Chopin was born in what was then the Duchy of Warsaw and grew up in Warsaw, which in 1815 became part of Congress Poland. A child prodigy, he completed his musical education and composed his earlier works in Warsaw before leaving Poland at the age of 20, less than a month before the outbreak of the November 1830 Uprising.
Document 10: Sergei Rachmaninoff: Sergei Vasilievich Rachmaninoff (Russian: Серге́й Васи́льевич Рахма́нинов , "Sergey Vasilyevich Rakhmaninov"; ] ; 1 April [O.S. 20 March] 1873 28 March 1943) was a Russian virtuoso pianist, composer, and conductor of the late-Romantic period, some of whose works are among the most popular in the romantic repertoire.
Document 11: Władysław Szpilman: Władysław Szpilman (] ; 5 December 19116 July 2000) was a Polish pianist and classical composer of Jewish descent. Szpilman is widely known as the central figure in the 2002 Roman Polanski film "The Pianist", which was based on Szpilman's autobiographical account of how he survived the German occupation of Warsaw and the Holocaust.
Document 12: Franz Liszt: Franz Liszt (] ; Hungarian: "Liszt Ferencz" , in modern usage "Liszt Ferenc", ] ; October 22, 1811July 31, 1886) was a prolific 19th-century Hungarian composer, virtuoso pianist, conductor, music teacher, arranger, organist, philanthropist, author, nationalist and a Franciscan tertiary.
Document 13: Edward Holmes (musicologist): Edward Holmes (1797 – 28 August 1859) was an English musicologist, music critic, pianist, and music educator. Born just outside London, he was a pupil of Vincent Novello. He spent his early career earning a living as a piano teacher. In 1827 he visited Germany, and upon returning to England published his first book, "A Ramble among the Musicians of Germany" (1828; 3d ed. 1838). Impressed with his skills as a writer on music, the owner "The Atlas" hired him as a music critic where he remained for many years. In 1849 he immigrated to the United States where he spent the last 10 years of his life working as an editor and music critic. He also contributed articles to several music journals during his career, including "The Musical Times". His other works include "The Life of Mozart" (1845), "Life of Purcell", for Novello's 'Sacred Music', and "Analytical and Thematic Index of Mozart's Piano-works".
Document 14: Arthur Nadel: Arthur Geoffrey Nadel (January 1, 1933 – April 16, 2012) was a hedge fund manager, disbarred lawyer, piano player, and philanthropist. He was indicted on 15 counts including six counts of securities fraud, eight counts of wire fraud and one count of mail fraud in a federal court in Manhattan. If found guilty, Nadel could have been sentenced to 280 years in prison and would have been required to forfeit all assets connected to the fraud.
Document 15: Camille Pleyel: Joseph Étienne Camille Pleyel (December 18, 1788 – May 4, 1855) was a French virtuoso pianist, publisher, and owner of Pleyel et Cie. He also ran a concert hall, the Salle Pleyel, where Frédéric Chopin played the first and last of his concerts in Paris.
ground_truth: Frédéric Chopin