Dame Marie Tempest DBE (15 July 1864 – 15 October 1942) was an English singer and actress known as the "queen of her profession".Tempest became the most famous soprano in late Victorian light opera and Edwardian musical comedies. Later, she became a leading comic actress and toured widely in North America and elsewhere. She was, at times, her own theatre manager during a career spanning 55 years. Tempest was also instrumental in the founding of the actors' union Equity in Britain.