Carl Rudolf Hermann Friedberg (September 18, 1872 Bingen, Germany - September 9, 1955 Meran, Italy) was a German pianist and teacher. Friedberg studied piano with James Kwast and with Clara Schumann at the Hoch Conservatory, Frankfurt. He became a teacher there (1893–1904) and later at the Cologne Conservatory (1904–1914). From 1923 until his retirement in 1946, Carl Friedberg was principal piano teacher at the New York Institute of Musical Art (the institution which later would become the Juilliard School of Music). His pupils include Gertrude Lightstone Mittelmann, William Browning, Malcolm Frager, Bruce Hungerford, Eunice Waymon, William Masselos, and Elly Ney. See: List of music students by teacher: C to F#Carl Friedberg. Friedberg's career as a performer spanned over 60 years in both