Earl Warren was an American jurist and politician who served as the 14th Chief Justice of the United States from 1953 to 1969. He is best known for his role in the landmark Supreme Court decision, Brown v. Board of Education, which declared racial segregation in public schools unconstitutional. He also led the Warren Commission, which investigated the assassination of President John F. Kennedy. Warren was a Republican and served as the 30th Governor of California from 1943 to 1953.