Who was the architect that created the main modern design of the Palace of Vesailles ?
Between 1778 and 1793 , Frederick Adolf resided there with his lover Sophie Hagman , and many episodes from this period are preserved as the " Tullgarnsmminnena " , The Tullgarn memories Frederick Adolf modernized the palace in neo classical style , adding another storey to the wings , giving the palace a flat Italian - style roof .