Dr Matthew JJ Hoskin is a specialist in the history of ancient and medieval Christianity, especially the early Latin theological tradition, canon law, and manuscripts. In 2022, he saw the fruit of 10 years of research with the publication of his book The Manuscripts of Pope Leo the Great's Letters (Turnhout, Brepols). While the Later Roman Empire may be his favourite place to do research, he has an enduring interest in medieval Britain and Ireland, and he has published about the influence of Boethius' ideas on Tolkien's The Lord of the Rings. He lives in Thunder Bay, Ontario, with his wife and sons in a house bursting with books and toys (many of which are his own).