Alexander Scriabin was a Russian composer and pianist born in 1872. He is known for his innovative approach to harmony and form, which significantly influenced 20th-century music. Scriabin's works often blend elements of Romanticism and Impressionism, showcasing his unique style that evolved throughout his career. Scriabin's most famous compositions include his piano sonatas and the orchestral work Prometheus: The Poem of Fire. He was also interested in philosophy and mysticism, which inspired many of his pieces. Scriabin's music is characterized by rich textures and complex harmonies, making him a key figure in the development of modern classical music.