 With the Palatinate's turn to the Reformed faith, Otto Henry, Elector Palatine, converted the university into a calvinsitic institution.In 1563, the Heidelberg Catechism was created under collaboration of members of the university's divinity school.As the 16th century was passing, the late humanism stepped beside Calvinism as a predominant school of thought; and figures like Paul Schede, Jan Gruter, Martin Opitz, and Matthäus Merian taught at the university.