Mordechai Leiner

Mordechai Yosef Leiner of Izbica was a Chasidic thinker and founder of the Izhbitza-Radzyn dynasty‏.‏‎ ‎He is best known for his work Mei Hashiloach, a compilation of his teachings by his grandson, in ‎which he expressed his belief in predeterminism. He was a disciple of Rabbi Simcha Bunim of Pshischa and Rabbi Menachem Mendel of Kotzk. His leading disciple was Rabbi Yehuda Leib Eiger, the ‎grandson of Rabbi Akiva Eiger. His students included his own son, Rabbi ‎Yaakov Leiner and grandson, Rabbi Gershon Henoch Leiner of Radzyn‏, and Rabbi Zadok HaKohen of Lublin.