About Friedrich Wilhelm von Steuben
Friedrich Wilhelm August Heinrich Ferdinand Fresher von Steuben, often referred to in English as Baron von Steuben, was a Prussian-born army officer who played a leading role in the American Revolutionary War by reforming the Continental Army into a disciplined and professional fighting force. His contributions marked a significant improvement in the performance of U.S. troops, and he is consequently regarded as one of the fathers of the United States Army.
Biography source:
Wikipedia