Claudio Arrau León (February 6, 1903 – June 9, 1991) was a Chilean pianist known for his interpretations of a vast repertoire spanning the baroque to 20th-century composers, especially Bach, Beethoven, Schubert, Chopin, Schumann, Liszt and Brahms. He is widely considered one of the greatest pianists of the twentieth century. Arrau was born in Chillán, Chile, the son of Carlos Arrau, an ophthalmologist who died when Claudio was only a year old, and Lucrecia León Bravo de Villalba, a piano teache ...