Marion Bauer (1882-1955) was born in Walla Walla, Washington to immigrant French Jewish parents. She studied piano from a young age, later refining her talent in piano and composition at the Paris Conservatory. While in France she was the first American student of Nadia Boulanger, who taught her in exchange for English lessons. When she returned to the United States she became a professor at New York University. She was an advocate for new music, including extensive scholarship, and co-founded The American Music Center.
Below is her Concertino op. 32b: