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 early works were rooted in the Romantic tradition, but he later developed a unique style that incorporated mysticism and philosophical ideas. His compositions include piano sonatas, symphonies, and chamber music, with notable pieces like Piano Sonata No. 9 and The Poem of Ecstasy. Scriabin's music often features complex harmonies and rich textures, reflecting his belief in the spiritual power of music. He passed away in 1915, leaving a lasting legacy in classical music.