Rabbi Ovadia Yosef was a Talmudic scholar, an authority on Jewish religious law (halakha), and longtime spiritual leader. Born in Iraq, he was the Sephardi Chief Rabbi of Israel from 1973 to 1983. Yosef's responsa (religious law rulings) were highly regarded within Haredi circles, particularly among Mizrahi communities, among whom he was regarded as "the most important living halakhic authority."
Rabbi Israel Friedman of Ruzhyn (Hebrew: ישראל פרידמן מרוז'ין) (5 October 1796 – 9 October 1850), also called Israel Ruzhin, was a Hasidic rebbe in 19th-century Ukraine and Austria
Rabbi Yosef Zundel of Salant (also known as Zundel Salant) was an Ashkenazi rabbi and the primary teacher of Rabbi Yisrael Salanter
Rabbi Judah he-Hasid Segal ha-Levi (Hebrew: יהודה החסיד Yehudah he-Hasid, "Judah the Pious"; c. 1660 in Siedlce – October 17, 1700 in Jerusalem, Ottoman Syria) was a Jewish preacher who led the largest organized group of Jewish immigrants to the Land of Israel in the 17th and 18th centuries.
