Book Review: Revolutionary Theology in the Making: Barth-Thurneysen Correspondence, 1914–1925. Trans, by James D. Smart. Epworth Press, 1964. 249 pp. 18s. 6d.; Truth as Encounter. By Emil Brunner. S.C.M. Press, 1964. pp. xii, 209 22s. 6d - Cunliffe-Jones, H. (Theology, 1965)