Which discipline did the recently deceased Ved Prakash Nanda specialize in?

On March 20, 2018, Ved Prakash Nanda, who was recognized for his contributions to education and literature with the Padma Bhushan award, went away on January 1, 2024. His primary area of academic expertise was international law, as evidenced by his distinguished position as an international law professor at the University of Denver in Colorado. The Ved Nanda Center for International and Comparative Law at the University of Denver was established in recognition of his noteworthy contributions to this field, highlighting his extensive influence and expertise in International Law.