Ludwig van Beethoven (1770–1827) was a German composer and pianist, acknowledged as one of the giants of classical music. He was a crucial figure in the transitional period between the Classical and Romantic eras in Western classical music, and remains one of the most respected and influential composers of all time. Born in Bonn, he moved to Vienna in his early twenties and settled there, studying with Joseph Haydn and quickly gaining a reputation as a virtuoso pianist. Beethoven’s hearing gradually deteriorated beginning in his twenties, yet he continued to compose, and to conduct and perform, even after he was completely deaf.