a rabbi of the 17th century, studied at Nikolsburg under Menachem Mendel Krochmal, or Krochman. In 1644 he was called to the rabbiship at Prossnitz, then to Hanau, Nikolsburg, and Vienna. When, however,in the year 1670, the Jews were expelled from the last-named place, he went to Metz, where he died in 1694. He wrote: שו 8ת עבודת הגרשני, One hundred and twenty-four legal decisions, which were afterwards published by his son (Frankfort-on-theMain, 1699): — תפארת הגישני, Homiletical discourses on the Pentateuch (ibid. 1699): — חדושי גרשני, Discussive novellas, published by his grandson (ibid. 1710). See Furst, Bibl. Jud. 3:60; Jost, Annalen, 1840, p. 80. (B.P.)