Nicolas Slonimsky , born Nikolai Leonidovich Slonimskiy (Russian: Никола́й Леони́дович Слoнимский), was a Russian-born American musicologist, conductor, pianist, and composer. Best known for his writing and musical reference work, he wrote the Thesaurus of Scales and Melodic Patterns and the Lexicon of Musical Invective, and edited Baker's Biographical Dictionary of Musicians.
