Complex sentence: In 1865 he was appointed professor of geology and palaeontology in the Berlin University, where he was eminently successful as a teacher; and when the Prussian Geological Survey was instituted in 1873 he was appointed co-director with Wilhelm Hauchecorne (1828-1900).
Split into simpler sentences: In 1865 he was appointed professor of geology and palaeontology at Berlin University, where he was eminently successful as a teacher. When the Prussian Geological Survey was instituted in 1873, he was appointed co-director with Wilhelm Hauchecorne (1828-1900).