David Mannes was an American conductor and violinist, known for his contributions to classical music in the early 20th century. He was born on February 28, 1880, in New York City and studied at the Juilliard School. Mannes was a prominent figure in the music community, founding the Mannes School of Music in 1916, which aimed to provide high-quality music education. Throughout his career, Mannes conducted various orchestras and was dedicated to promoting new music alongside classical works. He was also involved in the New York Philharmonic and worked to enhance the appreciation of music in the United States. Mannes passed away on January 25, 1964.