Ernst Haenchen (10 December 1894 – 30 April 1975) was a German Protestant theologian, professor, and Biblical scholar. Life Ernst Haenchen grew up as the youngest son of a government official along with his two siblings in the West Prussian county town Czarnikau. In 1914 he began studying theology at the Humboldt University of Berlin, which he had to interrupt in the same year after the outbreak of the First World War. The loss of his right leg as a result of a 1918 suffered war injury influenced his further career. In 1926 he first completed his studies in theology at the University of Tübingen. He gave up his first pastorate following a severe fall as a result of his disability and decided to devote himself entirely to science. He returned to the University of Tübingen, where in 1926 he began teaching as an outside lecturer for Systematic theology. A tuberculosis disease forced 1928 a total of two years in Davos, Switzerland. There he met his future wife Marguérite Fahrenberger (1905-1990), the daughter of Davos priest Johannes Fahrenberger. In 1933 Haenchen was appointed Full Professor of Systematic Theology at the University of Giessen, where he was elected dean of the Theological Faculty that same year. On 24 March 1939 he moved to the University of Münster, again to the Chair of Systematic Theology. After the closure of the University of Münster in 1944, Ernst Haenchen resided in Davos, Switzerland, until 1948, in order to cure his tuberculosis disease again. During this time, his first major academic work, a commentary on Acts of the Apostles, which made him soon known in theology circles. The 1956 first published work was quickly sold out and was updated and supplemented for the following editions by the author until his death. Ernst Haenchen was briefly a member of the German Christians in 1933. But after the so-called "Sports Palace Rally" on 13 November 1933, where Reinhold Krause, chairman of the German Christians in Greater Berlin Act, declared a turning away of German Christianity from his Jewish roots, Haenchen left the movement. On 13 February 1939, however, he registered with the Nazi Party, a month before his appointment as a full professor at the University of Münster. As a consequence, in 1945 he lost his professorship in Münster again. A proper retirement did not take place until 1946. As an Emeritus, Haenchen continued teaching at the