The four-hundredth anniversary of the most widely used Reformed catechism has been celebrated recently. The Heidelberg Catechism was commissioned by Frederick III, elector of the Palatinate, and published by him on January 19, 1563. Its chief authors were Zacharias Ursinus, a twenty-eight year old professor of theology at the University of Heidelberg, and Caspar Olevianus, a […]

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