Who is Jesus? This is the fundamental question for christology. The earliest Christians used various titles, most of them drawn from the Old Testament or Hebrew Scriptures, to express their faith in Jesus. They called him prophet, teacher, Messiah, Son of David, Son of Man, Lord, Son of God, Word of God, and occasionally even God. In Who Is Jesus? Thomas Rausch, S.J., focuses on the New Testament's rich variety of christologies. Who...