In 1780 , he removed to Philadelphia and became the physician of Benjamin Franklin and George Washington .
In 1777 , Jones was appointed to the New York State Senate but resigned in February 1778 , due to ill health .
In 1780 , Jones removed to Philadelphia and became the physician of Benjamin Franklin and George Washington .
In 1777 , Jones was appointed to the New York State Senate but resigned in February 1778 , due to ill health .