Yitshak Avigdor Ornshtain

Yitzhak Avigdor Orenstein (; June 18, 1893 – May 23, 1948) was an Israeli politician, and the first rabbi of the Western Wall. He is widely considered in Israel to be a martyr in the founding of Israel.

Early life and education Orenstein was born in Jerusalem as a descendant of the Rivlin family, to Rabbi Moshe Yehuda Leib Orenstein and Shoshana Raizel, daughter of Shmuel Zuckerman. As a child, he studied at various Yeshivas across Jerusalem, such as , run by the local Chabad chapter, being one of the first members of the school prior to its closure during the outbreak of World War I.

During the war, when the Yishuv in Jerusalem was stricken with various epidemics and food insecurity, he took part in missions on behalf of the needy and worked with the Committee for Aid to the Jews of Jerusalem. Using his Ottoman citizenship, he helped hide Jewish migrants of the Old Yishuv from the authorities by moving them out of the city and into the country for protection from conscription into the Ottoman army. In 1915, he married Mushka Liba, daughter of Rabbi Ashker Yitzhak Weidman and Bluma Slonim, a fellow Ottoman Jew. She was a 5th generation descendant of Rabbi Shlomo Zalman Zoref. On her mother's side, she was a descendant of Dovber Schneuri.

Adulthood and career In 1919, Orenstein began publishing , a monthly magazine for the subjects of Torah and Eretz Yisroel, discussing literary topics as well as public affairs concerns. In 1925, he and his wife were founding members of the , which he again fled to during the 1929 pogroms. In 1929, he met with the Reichin Rebbe, who offered him a secretarial position in Riga, which he declined due to his declining interest in Europe.

In 1930, he was appointed by the Chief Rabbinate to the position of Rabbi of the Western Wall and the Holy Places. He served in the position until the . Concurrently, he became a member of Colel Chabad, and helped aid poor Jewish families in Israel, eventually becoming a director of the organization. In 1940, he moved with his family to the Old CIty, where he and his wife took a more active role in the philanthropy of the city.

In 1967, both Orenstein and his wife were transferred to the Mount of Olives Cemetery for a proper burial, and his name was engraved in the on Mount Herzl.