Chassidic leader, son of the famous tzaddik Rabbi Mordechai of Chernobil, and the grandson of the tzaddik Rabbi Menachum Nachum of Chernobil.
The second Lubavitch Chabad Rebbe.
Rabbi Raphael Dabush was one of the greatest rabbis of Libyan .
Rabbi Avraham Dov of Avritch was a rabbi from Ukraine, first in Avritch and later in Zhitomir. In 1830 he moved to Eretz Yisroel and became the head Ahskanazi rav of Tzfat.