Rav Yaakov Yitzchok Spiegel

Rav Yaakov Yitzchak Spiegel (1937-2001), Rav of the Romanian shul Khal Shaarei Shomayim, son of Rav Moshe Menachem Spiegel, the Admor of Ostrov-Kalushin (formerly of Brownsville, later of the Lower East Side), and the grandson of Rav Naftali Aryeh Spiegel, the former Rav of Ostrov-Kalushin in Poland; a talmid muvhak of Rav Ahron Kotler.