Robert Barclay (December 23, 1648 - October 3, 1690) was an English writer known for his works in philosophy, religion, and theology. His writings have had a profound impact on later generations.
Source: An Apology for the Christian Divinity: As the Sameis Held Forth and Preached by the People Called, in Scorm Quakers, Being a Full Explanation and Vindication of Their Principles and Doctrines