Ludwig Straniak (1879-1951), 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. 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 , who was a pendulum dowser, and astrologer Wilhelm Wulff.