Chopin, a musical composer, born near Warsaw, of Polish origin; his genius for music early developed itself; distinguished himself as a pianist first at Vienna and then in Paris, where he introduced the mazurkas; became the idol of the salons; visited England twice, in 1837 and 1848, and performed to admiration in London and three of the principal cities; died of consumption in Paris; he suffered much from great depression of spirits (1809-1849).