Willa Sibert Cather (1873 â€“ 1947) was an American author best known for her novels about life on the Great Plains' frontier, such as O Pioneers! One of Ours (1922), a novel set during World War I, won her the Pulitzer Prize in 1923. Cather was born in Virginia and raised in Nebraska, where she attended the University of Nebraska-Lincoln. She spent eleven years in Pittsburgh, working as a magazine editor and high school English teacher to support herself. She relocated to New York City at the age of 33, where she spent the rest of her life, but she also traveled extensively and spent time at her summer house on Grand Manan Island, New Brunswick.