What do Georg von Below, Ernst Haeckel, Karl Lamprecht, Franz von Lenbach, Alfred Lichtwark, Baron Hans von Liebig, Dietrich Schäfer, Reinhold Seeberg and Max Weber all have in common? They were all academics and belonged, if only briefly, to the extreme nationalistic Pan-German League (Alldeutscher Verband or ADV) at some point in its existence from 1891 to 1939. To be sure, many of them have never been recognized or thought of as Pan-Germans. Still, by virtue of the prominent social status they held and the role they played as professors, teachers, physicians, jurists, lawyers, journalists, and writers in the dissemination...