Caldwell, Sarah, 1924–2006, American opera director and conductor, b. Maryville, Mo. In 1957 she founded the Boston Opera Group, later renamed the Opera Company of Boston, and headed it until its demise in 1990. Under her direction, the company became noted for its innovative productions of a wide range of operas such as Moussorgsky's Boris Godunov and Schoenberg's Moses und Aron and it consistently featured many of the world's finest singers. In 1976 she became the first woman to conduct the Metropolitan Opera.
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