 Other orthodox Lutheran theologians include (for example) Martin Chemnitz, Aegidius Hunnius, Leonhard Hutter (1563-1616), Nicolaus Hunnius, Jesper Rasmussen Brochmand, Salomo Glassius, Johann Hülsemann, Johann Conrad Dannhauer, Valerius Herberger, Johannes Andreas Quenstedt, Johann Friedrich König and Johann Wilhelm Baier.The theological heritage of Philip Melanchthon arose again in the Helmstedt School and especially in the theology of Georgius Calixtus (1586-1656), which caused the syncretistic controversy of 1640–1686.Another theological issue was the Crypto-Kenotic Controversy of 1619–1627.