What was Johann Ernst Plamann's pupil, the future German chancellor, Duke of?
Johann Ernst Plamann Johann Ernst Plamann (22 June 1771, Repzin3 September 1834, Berlin) was a German child educator. He based his work on the ideas of Johann Heinrich Pestalozzi and Friedrich Ludwig Jahn. Among his pupils was future German chancellor Otto von Bismarck.
Francis Otto, Duke of Brunswick-Lüneburg Francis Otto, Duke of Brunswick-Lüneburg (1530–1559) was the Prince of Lüneburg from 1555 to 1559. He was the son of Ernest I, Duke of Brunswick-Lüneburg.