A hundred years ago, the American Journal of International Law (AJIL) was founded by a group of publicists who believed that international law could abolish (or at least substantially diminish) the role of power in world affairs. So deep was this belief that it often served as a background operating assumption in international legal scholarship and did not even require discussion. But since 1940, dozens of articles in the Journal have focused on the relationship between law and power. Indeed, many AJIL articles have been written by scholars and practitioners whose life work has focused on power and international law—how power constrains international law (or dooms it to irrelevance), how the powerful can harness international law to their ends, and how international law may autonomously reconfigure power in its own right.