Auer, Leopold, 1845-1930, Hungarian violinist and teacher, studied at the conservatories of Budapest and Vienna and with Joseph Joachim in Hanover. He taught at the St. Petersburg Conservatory, 1868-1917. Among his pupils were Mischa Elman, Jascha Heifetz, and Nathan Milstein. In 1918 he came to the United States, where he taught at the Institute of Musical Art, New York City, and the Curtis Institute of Music, Philadelphia. He became an American citizen in 1926. He was tremendously successful as a concert violinist and conductor.