Caldwell was a violin prodigy from an early age. In 1957, she founded what would become the Opera Company of Boston. Notorious for her ability to avert financial crises and meet last-minute deadlines while overseeing every detail of production, she made the company one of the most distinguished and innovative in the US. With the growing success of her company, she began to appear as a guest conductor of major orchestras. In 1976, Caldwell became the first woman to do what? Discuss
Source: The Free Dictionary