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In page Sabbateans:

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The controversy was a momentous incident in Jewish history of the period, involving both Yechezkel Landau and the Vilna Gaon, and may be credited with having crushed the lingering belief in Sabbatai current even in some Orthodox circles. In 1760 the quarrel broke out once more when some Sabbatean elements were discovered among the students of Eybeschutz' yeshiva. At the same time his younger son, Wolf, presented himself as a Sabbatean prophet, with the result that the yeshiva was closed.[citation needed]