Saint Luke is one of the four evangelists in the Christian tradition, known for writing the Gospel of Luke and the Acts of the Apostles. He is often depicted as a physician, which reflects his background as a doctor. His writings emphasize compassion, healing, and the importance of prayer, highlighting the role of women and the marginalized in society. Traditionally, Saint Luke is also considered the patron saint of artists, physicians, and surgeons. His feast day is celebrated on October 18. In Christian art, he is frequently portrayed with a winged ox, symbolizing sacrifice and service, which aligns with the themes found in his Gospel.