According to Wikipedia,
Rudolf Karl Bultmann was a German Lutheran theologian and professor of the New Testament at the University of Marburg. He was one of the major figures of early-20th-century biblical studies. A prominent critic of liberal theology, Bultmann instead argued for an existentialist interpretation of the New Testament. His hermeneutical approach to the New Testament led him to be a proponent of dialectical theology.
Rudolf Bultmann is affiliated with the following schools: