A BODY OF DIVINITY: Being the Sum and Substance of the Christian Religion by Archbishop James Ussher About A Body of Divinity: A Body of Divinity: The Sum and Substance of Christian Religion Catechistically propounded, and explained by way of question and answer; Methodically and familiarly handled. The Body of Divinity is James Usshers most accessible work of theology. It provides a comprehensive summary of the Reformed Christian faith that will prove invaluable to all Christians who want to enter more deeply into the understanding of Scripture. Ussher was a profound scholar who has much to teach contemporary evangelicals on a number of vital issues. The present volume also includes his Irish Articles of 1615 and a brief exposition of the incarnation entitled Immanuel. Together they constitute a fine introduction to the thought of one of the greatest Reformed evangelical scholars of the 17th Century. About James Ussher: James Ussher (sometimes spelled Usher) (4 January 158121 March 1656) was Anglican Archbishop of Armagh and Primate of All Ireland between 16251656. He was a prolific scholar, who most famously published a chronology that purported to time and date Creation to the night preceding October 23, 4004 BC.