Antonin Dvorak was a Czech composer who lived from 1841 to 1904. He is known for his contributions to the Romantic music era and is particularly celebrated for his symphonies, chamber music, and operas. Dvorak's work often incorporated elements of Czech folk music, and he was also influenced by the music of other cultures, including American and Slavic traditions. Some of his most famous compositions include the "New World Symphony" and the "Slavonic Dances." Dvorak's music continues to be widely performed and admired around the world.