María del Carmen Mondragón Valseca (Mexico City, 1893 - 1978), known as “Nahui Olin”, was a multifaceted 20th-century Mexican artist, celebrated painter, poet, model, and musician. She was born into a Porfirian bourgeois family and later lived in Paris, where she studied dance and literature. Upon returning to Mexico, she married Manuel Rodríguez Lozano. The couple returned to Paris, then an artistic and intellectual hub, but sought refuge in San Sebastián, Spain, during World War I. The marriage ended in 1922, and she later was involved in a romantic relationship with artist Dr. Atl, who gave her the name “Nahui Olin”, meaning "perpetual movement" in Nahuatl. 

She participated in significant exhibitions, including one at the Palacio de Bellas Artes (Palace of Fine Arts) in 1945. While some critics view her work as naïve, her creative freedom allowed her to explore various genres, such as portraiture, urban landscapes, eroticism, caricature, and printmaking. Her art reflects her fight for freedom, defiance of societal norms, feminist advocacy, and sensitivity to personal and social transformation, leaving a legacy of artistic and cultural impact.