John Calvin
Jean Cauvin, also Jean Calvin  (English: John Calvin, July 10, 1509 – May 27, 1564), was a French Protestant theologian during the Protestant Reformation who was a central developer of the system of Christian theology that is called Calvinism or Reformed theology. In Geneva City, he rejected papal authority and established a new scheme of civic and ecclesiastical governance. He is famous for his teachings and writings and is infamous for his role in the execution of Michael Servetus.