Theodor Kullak was a German pianist, composer, and teacher. He was born in Krotoschin and died in Berlin. He studied with Carl Czerny, the famous student of L.V. Beethoven. Kullak wrote a large amount of instructional piano music. His Die Schule des Oktavenspiels (The School of Octave Playing), published in 1848 and edited in 1877, is especially well known. Theodor Kullak edited and annotated a 13-book edition of the piano works of Frédéric Chopin that was published by Schlesinger and co-issued by G. Schirmer Inc. and others in the 1880s. He also edited the complete piano works of Felix Mendelssohn, including Songs Without Words, published by C. F. Peters.