One of the greatest French pianists of the 1900s who supported and premiered many 20th-century works.
He was a Resistance fighter during World War II and was a member of the École polytechnique.
He was well-regarded for the worldwide master classes he gave and was a fixture at the Salzburg Summer Academy from 1985 until 1998.
He was married to famed ethnomusicologist Mireille Helffe.
He recorded the complete piano works of Claude Debussy.