Döscher studied history , political science and romance studies in Hamburg and Bordeaux from 1968 to 1973 . He earned his doctorate at the University of Hamburg . Since 2006 he has been Honorary Professor of Contemporary History at the University of Osnabrück . According to the news magazine Der Spiegel his two studies of the Foreign Office during the Third Reich in 1987 qualify as the " standard works on the wartime ministry " . He has been described by one commentator as " Germany 's foremost authority " on the events of November 9 , 1938 , known as Kristallnacht
Kristallnacht
Kristallnacht
Hans-Jürgen Döscher