Pope Francis is the head of the Catholic Church and sovereign of the Vatican City State.
John Calvin was a French theologian, pastor and reformer in Geneva during the Protestant Reformation.
Saint Ambrose was a renowned bishop of Milan and a key theologian, instrumental in the conversion of Saint Augustine and a major influence on the development of Western Christianity.
John G. Paton was a Scottish missionary and ethnologist who dedicated his life to spreading Christianity and preserving the culture of the South Sea Islanders.
Rick Perry is a former American politician and longest-serving governor of Texas, known for his conservative policies and brief presidential campaigns.