Years: 1823–1900
Primary city: Lublin
Rabbi Tzadok HaKohen, a talmudist and kabbalist, emerged from a Lithuanian mitnagdim family to become a leading Chasidic thinker. He was drawn to the teachings of Rabbi Mordechai Yosef Leiner of Izhbitza and later succeeded Rabbi Yehuda Leib Eiger as a guide to the Lublin Chasidim. He authored numerous works across halacha, Chasidic philosophy, Kabbalah, and secular sciences, most notably the Pri Tzadik, a compilation of his Shabbat and holiday discourses. His writings and spiritual leadership contributed to the development of Izhbitza-Radzin Chasidut.