Ludwig van Beethoven was a German composer and pianist, widely considered to be one of the greatest musical geniuses of all time. He was born on or about December 16, 1770, in Bonn, Germany, and died at the age of 56. Beethoven's work is known for spanning the transition from the Classical to the Romantic era of Western music. He is renowned for his innovative compositions, which widened the scope of sonata, symphony, concerto, and quartet. Some of his best-known compositions include the Eroica Symphony, the Moonlight Sonata, the Ninth Symphony, and his only opera, Fidelio. Beethoven's personal life was marked by a struggle against deafness, and some of his most important works were composed during the last 10 years of his life, when he was quite unable to hear