George Frideric Handel was a German-British composer who lived during the Baroque period. He is best known for his oratorios, including 'Messiah,' and his operas, such as 'Giulio Cesare' and 'Rinaldo.' Handel's music is characterized by its grandeur, dramatic intensity, and melodic richness. His compositions have had a profound influence on the development of Western classical music and continue to be performed and celebrated today.