Russell Kirk (1918-1994) was an influential American political theorist, historian, and writer known for his contributions to conservative thought. He is best known for his book, The Conservative Mind, published in 1953, which helped define modern conservatism in the United States. Kirk emphasized the importance of tradition, moral order, and the role of community in society. In addition to his writings, Kirk was a prominent figure in the National Review and served as a professor at various universities. He also founded the Intercollegiate Studies Institute, which aimed to promote conservative ideas among students. His work continues to impact conservative philosophy today.