""Gregory of Nazianzum, The Divine: A Contribution to the Ecclesiastical History of the Fourth Century"" is a book written by Carl Ullmann and published in 1851. The book is a historical account of the life and work of Gregory of Nazianzum, a prominent theologian and bishop of the fourth century. Ullmann provides a detailed analysis of Gregory's theological writings and his role in the controversies surrounding the nature of the Trinity and the divinity...