The famous Italian composer noted for his contributions to opera in the 19th century is Giuseppe Verdi. Verdi's works, including "La Traviata" and "Aida", revolutionized opera with their emotional depth and complex characters. He skillfully integrated drama with music, allowing for powerful storytelling and profound emotional expression. Verdi's influence extended beyond Italy, making him a global icon in the opera world. His compositions continue to be performed widely, celebrated for their rich melodies and dramatic intensity that capture the human experience.