
Pope Leo XIII
Pope Leo XIII, who served as pope from 1878 to 1903, was known for his intellectual approach and efforts to modernize the Catholic Church. He advocated for social justice, workers’ rights, and improved relations between the Church and the modern world. His most famous document, *Rerum Novarum*, addressed the rights and conditions of workers, laying the foundation for modern Catholic social teaching. Leo XIII also promoted education, arts, and diplomacy. His long papacy had a significant influence on how the Church engages with contemporary social and political issues while emphasizing the importance of faith and reason.