Justice Steven L. Zinter was a vital part of South Dakota's legal landscape for decades. As a private practitioner, circuit court judge, supreme court justice, and in other official capacities, he forged a powerful legacy in South Dakota. Over the course of his time he worked on cases large and small in many areas of law. He was recognized as a brilliant legal mind, precise writer, and careful thinker. It is a challenge to capture the breadth and depth of such a career. This article takes a look at his personal formation, his legal work in several settings, and how his personal and professional traits came together to leave a unique and enduring legacy in the law.