William Penn (October 14, 1644 - July 30, 1718) was an English real estate entrepreneur, philosopher, and founder of Pennsylvania. He was an early champion of democracy and religious freedom, notable for his good relations and successful treaties with the Lenape Indians. Under his direction, the city of Philadelphia was planned and developed. As one of the earlier supporters of colonial unification, Penn wrote and urged for a Union of all the English colonies in what was to become the United States of America. The democratic principles that he set forth in the Pennsylvania Frame of Government served as an inspiration for the United States Constitution. This image has been color-enhanced.