 Complete the following phrase:  Nikolaus Friedrich von Thouret, working with Antonio Isopi, renovated much of Ludwigsburg Palace for Frederick I and Charlotte Mathilde from 1797 to 1824. Thourets work was heavily influenced by the French Imperial and Renaissance styles, the work of Charles Percier and Pierre François Léonard Fontaine, and Egyptian motifs that became popular in Europe with Napoleons 