Désiré-Alexandre Batton, was a French composer, and was a student of which Italian composer who spent most of his working life in France, and Beethoven regarded him as the greatest of his contemporaries?
Désiré-Alexandre Batton:  A student of Luigi Cherubini at the Conservatoire de Paris, he composed operas and cantatas; a number of his operas were seen at the Théâtre Feydeau and the Opéra-Comique. Luigi Cherubini: Luigi Cherubini (] ; 8 or 14 September 1760 – 15 March 1842) was an Italian composer who spent most of his working life in France.
Luigi Cherubini