hinder him from expressing his reverence for their able leader, who in return visited Zinzendorf at Herrnhut in A.D. 1732. In the interests of his own society Zinzendorf shrank from identifying himself with those of Wetterau. Rock denounced him as a new Babylon-botcher, and he retaliated by calling Rock a false prophet. When the Herrnhuters were driven from Wetterau in A.D. 1750 (§ 168, 3, 7), the inspired communities entered on their inheritance. But with Rock’s death in A.D. 1749 prophecy had ceased among them. They sank more and more into insignificance, until the revival of spiritual life, A.D. 1816-1821, brought them into prominence again. Government interference drove most of them to America. § 170.3. Quite a peculiar importance belongs to =J. C. Dippel=, theologian, physician, alchemist, discoverer of Prussian blue and _oleum dippelii_, at first an orthodox opponent of pietism, then, through Gottfr. Arnold’s influence, an adherent of the pietists, and ultimately of the separatists. In A.D. 1697, under the name of _Christianus Democritus_, he began to write in a scoffing tone of all orthodox Christianity, with a strange blending of mysticism and rationalism, but without any trace profound Christian experience. Persecuted on every hand, exiled or imprisoned, he went hither and thither through Germany, Holland, Denmark, and Sweden, and found a refuge at last at Berleberg [Berleburg] in A.D. 1729. Here he came in contact with the inspired, who did everything in their power to win him over; but he declared that he would rather give himself to the devil than to this Spirit of God. He was long intimate with Zinzendorf, but afterwards poured out upon him the bitterest abuse. He died in the count’s castle at Berleberg [Berleburg] in A.D. 1734.[514]