He began teaching property law at Yale in 1934, after spending several years at the University of Illinois in Urbana.
[7][8] Professor McDougal served on the US delegation to the 1969 UN conference in Vienna that produced the Convention on the Law of Treaties.
[9] Second Circuit Judge José A. Cabranes said of him, "Myres McDougal was, without a doubt, the greatest international lawyer of his time.
[16] Professor McDougal was also famous for popularizing in legal analysis the concept of hierarchy of values, and the fact that different jurists' or analysts' resolution of particular legal controversies could be explained as the result of their having different hierarchies of values.
[8] Reflections on the New Haven School in the Lecture Series of the United Nations Audiovisual Library of International Law