(late 19th century)
Gladys Castagnola was active/lived in California. Gladys Castagnola is known for still-life painting.
“Gladys Castagnola, born in San Francisco and now living in Santa Barbara, started painting in 1953. She studied with Douglass Parshall. She has won awards at Sacramento State Fair, 1954; in Santa Paula 1950; Society of Western Artists, 1960; Pomona State Fair, 1960; and also several smaller prizes in Santa Barbara. She is a member of the Santa Barbara Art Association, Society of Western Artists, Women Painters of the West, and Laguna Beach Art Association.”
September 1962 Laguna Beach Art Association catalog