Historical Dictionary of the Reformed Churches (3rd ed.)

As its name implies, the Reformed tradition grew out of the 16th century Protestant Reformation. The Reformed churches consider themselves to be the Catholic Church reformed. The movement originated in the reform efforts of Huldrych Zwingli (1484-1531) of Zurich and John Calvin (1509-1564) of Geneva. Although the Reformed movement was dependent upon many Protestant leaders, it was Calvin's tireless work as a writer, preacher, teacher, and social and ecclesiastical reformer that provided a substa