Ludwig Straniak (June 30, 1879-January 16, 1951), was a German mystic, Germanic revivalist and most notably a pendulum dowser. He was an architect and astrologer and was used by the German military in the Third Reich, not necessarily willingly Straniak was forced to be a Nazi, holding holding his family hostage.
Two of the more well-known mystics, other than Straniak, used in the Third Reich by Walter Schellenberg through Heinrich Himmler, who had a great deal of interest in Germanic mysticism and revivalism, were Wilhelm Gutberlet, who was a pendulum dowser, and astrologer Wilhelm Wulff.