Carl Flesch (born Károly Flesch, 9 October 1873 – 14 November 1944) was a Hungarian violinist and teacher. Flesch’s compendium Scale System is a staple of violin pedagogy.Flesch was born in Moson (now part of Mosonmagyaróvár) in Hungary in 1873. He began playing the violin at seven years of age. At 10 he was taken to Vienna to study with Jakob Grün. At 17 he left for Paris, and joined the Conservatoire de Paris, studying with Martin Pierre Marsick. He settled in Berlin, and in 1934 in London.