(b Noyon, July 10, 1509; d Geneva, May 27, 1564). French theologian, one of the leaders of the Reformation in Switzerland.
In 1523 he studied theology in Paris, then studied law in Orléans in 1528 and in Bourges in 1529. In 1531 he returned to Paris to complete his classical studies, publishing a commentary on Seneca’s De clementia in the following year. Between 1528 and 1533 he became converted to reformed doctrines and in 1533 he had to leave Paris when the Lutheran sect at the university was proscribed by the court. He went to Basle at the end of 1534 and began work on his Christianae religionis institutio; in the dedication of the first edition (1536) to François I he called for toleration of Protestants. In 1536 he stayed for a short time at the court of Renée of France in Ferrara, and there met Clément Marot. On his way back to Strasbourg he went to Geneva, where the reformer Guillaume Favel persuaded him to help with the organization of the Church. However, in ...