Who lead Prussia Prussia in Congress of Vienna?

Question: Who lead Prussia Prussia in Congress of Vienna!?
Best Answer - Chosen by Asker:

That would be Furst Von HardenburgWww@QuestionHome@Com

His name is actually Karl August von Hardenberg (Fürst is a title) and there is a good picture of him in the Waterloo Chamber at Windsor Castle!. also, A good biography of him below!.Www@QuestionHome@Com