Baron von Steuben - He was a Prussian who came to fight for the Americans. He was a major general in the Continental Army and is the person who taught the army drills and tactics that helped them win the war. He was with George Washington at Valley Forge, where they worked with the troops to make them better. He was also Washington's chief of staff in the latter part of the war.
Baron von Steuben (portrait by Ralph Earl), is credited with being one of the fathers of the Continental Army in teaching them the essentials of military drills, tactics, and disciplines (Valley Forge in the Winter 1778).