Bidspirit auction | Sefer Yesod: Shev Yaakov Responsa.

Sefer Yesod: Shev Yaakov Responsa. First Edition , Frankfurt am Main, 1742. Signatures. - Bound together in two volumes. With the approbation of his successor in the Frankfurt rabbinate—the author of Pnei Yehoshua. First Edition. Frankfurt am Main, 1742. Illustrated title pages. Printed by David Yaakov Kranau. Antique ownership inscriptions: Israel Michael HaCohen. Yosef Mendel Hermann, Łęczyca (Luntshitz) Ber Hirsch Kalman Mendel Kahn (?) Stefansky, Sfrei Yesod no. 308. The author is the renowned Gaon Rabbi Yaakov Katz Popersh, Av Beit Din of Frankfurt [d.1760], one of the great scholars of his generation—halachic decisor, responsa authority, and influential teacher. He served as rabbi of Frankfurt for over twenty years and headed its yeshiva, from which major Torah scholars emerged. Rabbi Yaakov was born in Prague to Rabbi Binyamin HaCohen Popersh, where he also served as a judge. In his youth he studied Torah under Rabbi Aharon Shimon Shapira, Av Beit Din of Prague, and later under Rabbi Avraham Broda, Av Beit Din and head of the Prague yeshiva. In 1698 he was appointed rabbi of Koblenz. In 1718 he was elected Av Beit Din and head of the yeshiva in Frankfurt am Main, where he passed away in 1760. He was succeeded by the Pnei Yehoshua. He was among the leading sages of his era, a major halachic decisor and teacher, and served for over twenty years as rabbi of Frankfurt, heading a large yeshiva of more than four hundred advanced students, producing many disciples and leading rabbis. According to the Chida in Shem HaGedolim, among his students were: the author of Zikhron Yosef, Korban HaEdah, Sederi Taharot, Be’er Yaakov, Pardes David, Etz Yosef, Sha’ar Naftali, Rabbi Natan Maz (author of Binyan Shlomo), author of She’elot U’Teshuvot Ma’amar Mordechai, Rabbi Akiva Eiger the First of Pressburg, Maharam Brabi of Pressburg, and many others. [1], 149; [1], 139 leaves. Two title pages. 30.5 cm.