Knud Haakonssen has studied the diaspora of modern natural law, its adaptation as moral philosophy and its academic institutionalization in various European contexts. His publications include Natural Law and Moral Philosophy (1996), 'German natural law', in The Cambridge History of Eighteenth-Century Political Thought (2006), and 'Holberg's Law of Nature and Nations', in Ludvig Holberg (1684–1754) (co-ed., 2017). He is also editor of Thomas Reid on Practical Ethics (2007), A System of Moral Philosophy by Francis Hutcheson (forthcoming), and a new edition of the eighteenth-century translation of Pufendorf's The Law of Nature and Nations (forthcoming).