Nadia Boulanger was a renowned French composer, conductor, and music teacher born on September 16, 1887. She is celebrated for her significant influence on 20th-century music and was one of the first women to gain recognition in the male-dominated field of classical music. Boulanger studied at the Paris Conservatory and became known for her innovative teaching methods. Throughout her career, Boulanger taught many prominent composers, including Aaron Copland and Philip Glass. She was also the first woman to conduct major orchestras, breaking barriers for future generations of female musicians. Boulanger passed away on October 22, 1979, leaving a lasting legacy in the world of music.