St. Luke
Saint Luke, the Evangelist, is known for authoring the Gospel of Luke and the Acts of the Apostles, and is celebrated as a patron saint of physicians and artists.
Contributions to Christianity
Luke is credited with writing the Gospel of Luke, which provides a comprehensive account of the life, teachings, and miracles of Jesus Christ. His Gospel is notable for its emphasis on compassion, social justice, and the inclusion of marginalized groups, such as women and the poor. Unique parables, such as the Good Samaritan and the Prodigal Son, are found only in Luke's account.
Patronage and Feast Day
Saint Luke is venerated as the patron saint of physicians, artists, and notaries. His feast day is celebrated on in the Western Christian tradition. He is often depicted in art as a physician, sometimes with a book or scroll, symbolizing his role as an evangelist and writer.
Conclusion
Key themes from the life of St. Luke would show his empasis on things such as compassion for the marginalized, the universality of salvation for both Jews and Gentiles, and the work of the Holy Spirit. Luke, a physician and a skilled writer, presents an orderly, historical account of Jesus' life and the early Church in a way that emphasizes Jesus's role as a suffering Messiah who inaugurates a "Kingdom" of self-giving love. His writing is known for its focus on social outcasts, women, and the poor, and for its beautiful and well-ordered Greek prose.
https://en.wikipedia.org/wiki/
https://www.franciscanmedia.org/saint-of-the-day/
https://www.catholic.org/saints/