Louis Brandeis was the first immigrant to serve on the U.S. Supreme Court, appointed in 1916. Brandeis, who was born in Belgium to Jewish parents, was a prominent lawyer and social advocate who championed issues such as labor rights, privacy, and the regulation of corporations. His appointment to the Supreme Court was significant not only for his legal achievements but also for his role as a Jewish American in high office during a time when anti-Semitism was prevalent. Brandeis' influence on legal thought and civil liberties remains impactful.