Ernst Kullak (1818–1889) was a German pianist, composer, and pedagogue, primarily associated with the Romantic era. He was an influential figure in the development of piano techniques and education during the 19th century. Kullak studied under notable teachers, including Carl Friedrich Zelter and Siegfried Dehn, and became renowned for his virtuosic piano performances and compositions. His notable works include "Piano Concerto in E-flat major," "Sonata for Piano in A-flat major," and various instructional piano pieces, which contributed to the repertoire of piano literature. Kullak also founded the Kullak Conservatory in Berlin, which became a significant institution for music education, fostering the next generation of musicians. Kullak’s impact on music is particularly notable in his contributions to piano pedagogy; he emphasized the importance of technique, expressiveness, and musical interpretation. His teaching methods influenced many pianists and composers who followed, helping to shape the landscape of piano performance and education in the late 19th century. His legacy persists in the continued study of technique and interpretation in piano playing.