Gertrude Atherton (1857–1948) was an American author renowned for her bold and unconventional novels that often explored themes of feminism, power, and social norms. Born in San Francisco, California, she used her native state as the backdrop for many of her works, capturing the spirit of California’s history and culture. Her best-known novels, such as The Splendid Idle Forties and Black Oxen, earned her critical acclaim for their vivid storytelling and progressive ideas. A prolific writer with a sharp intellect, Atherton was celebrated for her fearless exploration of controversial topics, securing her place as a pioneering voice in American literature.