rabbi and famous kabbalist naphtali ben isaac katz ("ha-kohen," 1645–1719) was said to be an expert in the magical use of amulets. he was accused of causing a fire that broke out in his house and then destroyed the whole jewish quarter of frankfurt, and of preventing the extinguishing of the fire by conventional means because he wanted to test the power of his amulets; he was imprisoned and forced to resign his post and leave the city.