Who is Luke?

Who is Luke?
Luke is the only Gentile writer in Holy Scripture. He is also the writer of the Book of Acts. In fact, The Gospel of Luke & Acts are a two volume set. Luke was a friend and fellow minister with the Apostle Paul. He was a Doctor and probably was Paul's personal physician (Colossians 4:14, Philemon 24, 2 Timothy 4:11). He writes this Gospel & the Book of Acts to Theophilus, probably a Roman official of some kind. Theophilus means "friend of God". He seems to have been a believer to whom Luke tries to give more understanding concerning the good news of Jesus. His purpose for writing this account of Jesus' life is clearly stated in Luke 1:1-4. Some recent scholarship about this Gospel and Acts suggest that Luke writes these 2 letters as defense documents for Paul's trial in Rome before Caesar. Not sure if this is the case or not, but it's an interesting thought. Whatever the case, the Holy Spirit chose to use these writings to let the world know about Jesus and the spread of the Gospel in the first century.