For 10 points, name this author of Acts of the Apostles and the third Gospel of the New Testament.
This person was described as a "beloved physician" by a "coworker," and this man's feast day is October 18. He dedicated two books to Theophilus (thee-AH-fill-uss), including one that begins with the Ascension and describes the missionary journeys of that "coworker," Paul. For 10 points, name this author of Acts of the Apostles and the third Gospel of the New Testament.
This person was described as a "beloved physician" by a "coworker," and this man's feast day is October 18.
St. Luke