Wilhelm von Humboldt
Karl Wilhelm von Humboldt (June 22, 1767 - April 8, 1835), government functionary, foreign diplomat, philosopher, founder of Humboldt Universität in Berlin, friend of Johann Wolfgang von Goethe and especially of Friedrich Schiller, is especially remembered as a German linguist who introduced a knowledge of the Basque language to European intellectuals. His younger brother Alexander von Humboldt was equally famous in the natural sciences.
Architectural Sites 
Memorial Plaque, Unter den Linden 6, in Berlin-Mitte