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: A Persuasive to Unity: Setting Forth the Ground of that Source of Comfort in which Ground of a Clean Heart and a Right Spirit Men May Grow in Good and Firmly Support Each Other as Living Stones in the Temple of God