He was also the tutor of Rabbi Yosef Yitzchok Schneersohn , the sixth rebbe of Chabad .
He was a follower of Rabbis Shmuel Schneersohn and Shalom Dovber Schneersohn , the fourth and fifth rebbes of Chabad .
follower was also the follower of Rabbi Yosef Yitzchok Schneersohn , the sixth rebbe of Chabad .
He was a follower of Rabbis Shmuel Schneersohn and Shalom Dovber Schneersohn , the fourth and fifth rebbes of Chabad .