Johann Baptist Cramer (February 24, 1771, Mannheim - April 16, 1858, London), was an English musician of German extraction. He was the son of Wilhelm Cramer (1743-1799), a famous London violinist and musical conductor, one of a numerous family who were identified with the progress of music during the 18th and 19th centuries. Johann Baptist was brought to London as a child, and it was in London that the greater part of his musical efforts was exercised.

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