Johann Gottlieb Goldberg

Johann Gottlieb Goldberg (also Gollberg, Goltberg; baptised 14 March 1727 – 13 April 1756) was a German virtuoso harpsichordist, organist, and composer of the late Baroque and early Classical period.
He is most famous for lending his name, as the probable original performer, to the renowned Goldberg Variations of J.S. Bach.