Who was the Prussian mercenary who volunteered in 1778 to train the Continental Army and bring unity and discipline?

Strangely, many historians regard a gay Prussian Baron; and not George Washington, as the father of the United States Army.

To explain, Friedrich Wilhelm von Steuben; a Prussian mercenary created the first sets of rules, regulations, and procedures for the Continental Army during the Revolutionary War. The Continental Army was the first United States Army.

Bizarrely, Von Steuben; an aristocrat and a pupil of Frederick the Great, created the blueprint for a democratic fighting force…