Leopold Auer (1845-1930) belonged to that select company of violin virtuosos who not only established the level of artistic excellence for the nineteenth century, but also trained many of the violinists who surpassed that level in the twentieth. Mischa Elman, Jascha Heifetz, and Efrem Zimbalist (Sr.) were among Auer's students. Himself a pupil of the great Joseph Joachim, Auer will always be regarded as one of the most important violin pedagogues...