Jean-Louis André Théodore Géricault ( ; 26 September 1791 -- 26 January 1824 ) was an influential French painter and lithographer , known for `` The Raft of the Medusa '' and other paintings .
Théodore Géricault ( September 26 , 1791 -- January 26 , 1824 ) was an important French painter , known for `` The Raft of the Medusa '' and other paintings .