Warren Burger was the 15th Chief Justice of the United States, serving from 1969 to 1986. Appointed by President Richard Nixon, he played a significant role in shaping American law during a time of social change. Burger emphasized judicial restraint and sought to maintain the integrity of the Supreme Court. Under his leadership, the Court decided important cases related to abortion, school prayer, and affirmative action. Burger is also known for his efforts to improve the federal court system and for advocating the establishment of the United States Sentencing Commission. His tenure left a lasting impact on American jurisprudence.