 In 1576 Jacob Heerbrand recommended him as professor to the University of Marburg, where Hunnius exerted himself to do away with all compromises and restore Lutheran orthodoxy.He gained many adherents, and the consequence was a split in the State Church of Hesse which finally led to the separation of Upper and Lower Hesse.The cardinal point of all controversies was the doctrine of ubiquity which Hunnius maintained in his writing "De persona Christi".