Who is Paul in the Bible?

Paul was an apostle of Jesus. He was the writer of several Bible books including Romans, 1st & 2nd Corinthians, Galatians, Ephesians, Philippians, Colossians, 1st & 2nd Thessalonians, 1st & 2nd Timothy, Titus, Philemon, and Hebrews. Wow, what a resume!