In 1859 he was appointed as the director of the newly founded Naturhistorisches Museum (Braunschweig) and in 1866 also of the Herzog Anton Ulrich Museum.
•
He was the author of two major books on vertebrates: "Fauna der Wirbelthiere Deutschlands" (1857), and "Die wirbelthiere Europa's" (Vertebrates of Europe, with Alexander Keyserling, 1840).
Johann Sebastian Bach | Johann Wolfgang von Goethe | Heinrich Himmler | Johann Strauss II | Heinrich Heine | St. Johann in Tirol | Heinrich Schütz | Johann Heinrich Pestalozzi | Heinrich von Kleist | Johann Albert Fabricius | Johann Christian Bach | Heinrich Böll | Johann Georg Wagler | Johann Pachelbel | Johann Nepomuk Hummel | Johann Gottfried Herder | Heinrich Isaac | Johann Nestroy | Heinrich Marschner | Baron Hans Heinrich Thyssen-Bornemisza | Johann Joachim Winckelmann | Johann Gottlieb Fichte | Johann Bernhard Fischer von Erlach | Johann Homann | Johann Friedrich Böttger | Heinrich Mann | Heinrich Hertz | Heinrich Graetz | Heinrich Böll Foundation | Christian Heinrich Friedrich Peters |