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Rabbi Baruch Shalom HaLevi Ashlag ( also known as the RABASH ) ( January 22 , 1907 – September 13 , 1991 ) was a Kabbalist , the firstborn and successor of Rabbi Yehuda Ashlag and author of " The Sulam " commentary on the Zohar .
 Baruch, Ashlag, Kabbalist, Yehuda Ashlag
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 Baruch, Ashlag, Kabbalist, Yehuda Ashlag