Sir John Baker is Emeritus Downing Professor of the Laws of England and an Honorary Fellow of St Catharine's College, Cambridge. He is an Honorary Bencher of both the Inner Temple and Gray's Inn, and was knighted for his services to legal history in 2003. He has published widely on the subject, including Baker and Milsom Sources of English Legal History (OUP, 2019), An Introduction to Legal History (5th edition, OUP, 2018), The Oxford History of the Laws of England Volume VI (OUP, 2003) and The Law's Two Bodies (OUP, 2001).