Nikolay Rubinstein (1835–1881) was a prominent Russian pianist, conductor, and music educator, primarily associated with the Romantic genre. He is best known for his contributions to the development of music education in Russia and for being a key figure in the promotion of Russian composers, particularly Pyotr Ilyich Tchaikovsky. Rubinstein co-founded the Moscow Conservatory in 1866, where he served as its first director, significantly shaping the landscape of Russian classical music education. He was an accomplished pianist noted for his virtuosity and expressive playing, often performing works by both classical and contemporary composers. Among his notable works, Rubinstein is recognized for his piano transcriptions and performances of symphonic works, as well as for his role in the world premieres of Tchaikovsky's early compositions, including the "Piano Concerto No. 1." His influence extended beyond performance, as he mentored several prominent musicians, fostering a generation of talent that would shape Russian music. Rubinstein's legacy is marked by his dedication to music education and his efforts to establish a national school of Russian music, making him a central figure in the cultural development of 19th-century Russia.