Martha Argerich, (born June 5, 1941, Buenos Aires, Arg.), Argentine pianist. A prodigy, she began concertizing before she was 10. In 1955 she went to Europe, where her teachers included Arturo Benedetti Michelangeli(1920–95). She won two prestigious competitions at age 16 and the Chopin competition in 1965. Her exceptionally brilliant technique, emotional depth, and élan won her an enthusiastic international following.