Who worked as a composer in the French opera, but was born in Germany?
French opera:  Many foreign-born composers have played a part in the French tradition as well, including Lully, Gluck, Salieri, Cherubini, Rossini, Meyerbeer, Offenbach and Verdi. Giacomo Meyerbeer: Giacomo Meyerbeer (born Jacob Liebmann Beer; 5 September 1791 – 2 May 1864) was a German opera composer of Jewish birth who has been described as perhaps the most successful stage composer of the nineteenth century.
Giacomo Meyerbeer