Thomas Arnold was a prominent English educator and historian, best known for his role as the headmaster of Rugby School from 1828 to 1842. He is credited with reforming the educational system, emphasizing moral and religious instruction alongside academic subjects. His approach aimed to develop character and instill a sense of duty in students. In addition to his work in education, Arnold was a noted historian, particularly recognized for his writings on Roman history. His influential book, "History of Rome," helped shape the study of history in schools. Arnold's legacy continues to impact educational practices today.