Menachem Mendel Schneersohn, Polish rabbi (died 1866)

Menachem Mendel Schneersohn

Third Chabad Rebbe (1789–1866)

Menachem Mendel Schneersohn, also known as the Tzemach Tzedek, was an Orthodox rabbi, leading 19th-century posek, and the third rebbe of the Chabad Lubavitch Hasidic movement.