Conversation so far:
when did martin luther become a professor at wittenberg (germany) university
In 1508, Martin Luther was appointed professor of philosophy at the newly-established University of Wittenburg. Luther was appointed professor of philosophy at the newly-established University of Wittenburg.
What is notable about the University of Wittenburg besides Martin Luther?
The University of Wittenberg is the alma mater of Prince Hamlet as well Rosencrantz and Guildenstern in William Shakespeare's play Hamlet.

Question: Where is the university located?
Self-contained rewrite: Where is the University of Wittenberg located?