Karl Barth (1886-1968) was described by Pope Pius XII as the most important theologian since Thomas Aquinas, and his writings from the perspective of a renewed 'theology of the Word of God' continue to be a major influence among Christians, students of theology and preachers around the world today. His theology creatively re-works key Christian doctrines including the Trinity, Christology and salvation including therein, importantly, the doctrine...