Gabrilowitsch, Ossip (ô'sip gäbrilô'vich) [key], 1878–1936, Russian-American pianist and conductor; pupil of Anton Rubinstein at the St. Petersburg Conservatory and of Leschetizky. His debut was made in Berlin in 1896. He was well-known both as a brilliant pianist and as conductor of the Munich Konzertverein Orchestra, 1910–14, and the Detroit Symphony Orchestra, 1918–36. He married Clara Clemens, concert singer, daughter of Mark Twain.