Muzio Clementi lived from January 23, 1752 until March 10, 1832. He was a composer and pianist who born in Rome. In 1766 he was brought to England, where he conducted the Italian Opera in London (1777–80), toured as a virtuoso pianist (1781), and went into the piano-manufacturing business.
He wrote the Gradus ad Parnassum from 1817 to 1826, a piano method on which subsequent piano methods have been based. He composed mainly piano and chamber music.