Nature of International Law 3 Schools of International Law Natural Law School Positivist School Grotian School
Natural Law School Jurists of this School are known as Naturalists. They opined that International Law is a part of Law of Nature (Higher Law, Moral Law, Law based on Reason, Universal Law, etc). They denied the existence of any Positive International Law (man made law). Some renowned naturalists were Pufendorf , Thomasius , Rutherford and Hutcheson.
Positive Law School Jurists of this school are known as Positivists. They opine that International Law is the outcome of customs and International Treaties (positive law) and not of Natural Law. Some renowned positivists were JL Brierly , Von Martens, JG Starke and Cornelius Bynkershoek .
Grotian School Grotians have adopted a middle path between Naturalists and Positivists. They opine that International Law is the outcome of Law of Nature as well as customs and treaties. Some renowned Grotians were Christian Wolff and ED Vettel .