Sergei Prokofiev was a Russian composer, pianist, and conductor, born on April 23, 1891. He is known for his innovative and diverse musical style, which blends classical traditions with modern elements. Prokofiev's works include symphonies, concertos, operas, and ballets, with notable pieces like Peter and the Wolf and Romeo and Juliet. Throughout his career, Prokofiev lived in various countries, including the United States and France, before returning to the Soviet Union in 1936. His music often reflects the complexities of his time, combining lyrical melodies with rhythmic vitality, making him one of the most significant composers of the 20th century.