Jacob Rosenhain (1813 - 1894)  GermanyJakob Rosenhain (Jacob, Jacques) (2 December 1813 – 21 March 1894) was a German Jewish pianist and composer.
Rosenhain was born in Mannheim made his debut at the age of 11.During their 1837 season, he was a soloist with the London Philharmonic Orchestra (on 17 April), which in 1854 (also in April) programmed one of his symphonies.
He was a friend of Felix Mendelssohn at least from 1839.[3] He worked with Johann Baptist Cramer on a published school of piano-playing. From 1849 he made his home in Paris.
Rosenhain died in Baden-Baden. | 
