Johann Joseph Gassner
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Johann Joseph Gassner (1727-1779) was a noted "exorcist," born at Bludenz, in Vorarlberg. While a Catholic priest at Klösterle he gained a wide celebrity by professing to "cast out devils" and to work cures on the sick by means simply of prayer; he was deposed as an impostor, but the bishop of Ratisbon, who believed in his honesty, bestowed upon him the cure of Bendorf.
This article incorporates text from the public domain 1907 edition of The Nuttall Encyclopaedia.