There are few individuals that have shaped international law as much as Hugo Grotius, the Dutch jurist, diplomat and philosopher, theologian and poet. His works include a comparison of constitutions (Parallelon rerumpublicarum), commentary on the law of prize and booty, a thesis on the free seas (Mare Liberum), a thesis on the law of war and peace (De jure belli ac pacis) and commentaries on both the old and new testament (Annotationes in Vetus Testamentum and Annotationes in Novum Testamentum). Whereas the work on the law of war and peace – with the suggestion of the theory of just war and the division between…