Saint Luke or Saint Luke the Evangelist is known as St. Paul’s companion and mentioned in his letters as his “coworker” and the “beloved physician.” St. Luke is the author of the third gospel and the Acts of the Apostles. He is the only Gentile Christian among the gospel writers. Luke's gospel focuses on evangelizing the Gentiles. It is only in his gospel that we read about the parable of the Good Samaritan, Jesus praising the faith of Gentiles in the widow of Zarephath and Naaman the Syrian (Lk