Ruth Armer was born in San Francisco in 1896, where she spent most of her career as an artist.Armer attended the California School of Fine Arts from 1914-15 and 1918-19. Armer also studied at the Art Students League and School of Fine and Applied Art in New York, under George Bellows, Robert Henri, Kenneth Miller, and Joan Sloan. Armer taught at the California School of Fine Arts from 1933-40 and worked at the Oakland Museum. She had solo exhibitions at the Cleveland Museum of Art, and at the San Francisco Museum of Modern Art in 1936 and 1939. Armer was a painter, lithographer, and teacher who is recognized today as one of San Francisco’s more profound abstractionists. Her works have been exhibited in Metropolitan, San Francisco Museum of Modern Art, Oakland Museum, Cleveland Museum, and Laguana Art Museum.