Alexander Nikolaevich Scryabin - a composer, a pianist. Influenced on the development of the world musical culture of XX century greatly. Scryabin‘s music has emotional tension, a diapason of types from ideal and spiritual to expressive and heroic. A bright innovator in the field of expressive means, mainly-harmony, developed the idea of lightmusic, was the first who included a special "Part of light" into his symphonic poem "Prometeus" ("A poem of Fire" with piano and chorus, 1910). "A divine poem" (third symphony, 1904), "A poem of extase" (1907) for orchestra; 10 sonatas, 29 poems, preludes for piano etc. A professor of Moscow Conservatoire (1898-1904).