* Saint Catherine of Alexandria: Often depicted with a wheel, a symbol of her martyrdom. She's known for her intelligence and debates with Roman emperors. She's invoked for eloquence, knowledge, and protection against false accusations.
* Saint Thomas Aquinas: A philosopher and theologian, known for his vast knowledge and the "Summa Theologica." He's considered the patron saint of students and universities.
* Saint Brigid of Kildare: A revered Irish saint, known for her wisdom, healing abilities, and founding monasteries. She's also invoked for protection of animals and children.
* Saint Jerome: A scholar and translator of the Bible, often depicted with a lion. He's considered the patron saint of translators, librarians, and scholars.
* Saint Gregory the Great: A Pope and scholar, known for his writings and contributions to church music. He's considered the patron saint of students, musicians, and singers.
You can choose the saint that resonates most with you, depending on your specific interests and the aspects of intelligence and learning you wish to emphasize.