Michael Umlauf (August 9, 1781 – June 20, 1842), was an Austrian composer, conductor, and violinist. His father, Ignaz Umlauf, was also a notable composer. His sister, Elisabeth Hölzel (née Umlauf), had a career as a contralto and her son Gustav Hölzel was an important bass-baritone. Umlauf was born at Vienna. At an early age he became a ...