Question: The town home to what Fort has the graveyard of an African from what is now Ghana, who became a respected philosopher and teacher at the universities of Halle and Jena in Germany after studying there?
Sentence (from "Anton Wilhelm Amo"): Brought to Germany by the Dutch West India Company in 1707 as a child, and given as a gift to the Dukes of August Wilhelm and Ludwig Rudolf von Wolfenbuttel, he was treated as a member of the family of Anthony Ulrich, Duke of Brunswick-Wolfenbüttel, he was the first African known to have attended a European university.
Relevant evidence: No