Rabbi Baruch Shalom HaLevi Ashlag (also known as the RABASH) (January 22 1907-September 13 1991) a Kabbalist, the firstborn and successor of Rabbi Yehuda Ashlag, author of "The Sulam" commentary on the "Zohar". Among his writings: "Shlavey ha Sulam" ("Rungs [of] the Ladder"), "Dargot ha Sulam" ("Steps [of] the Ladder"), "Igrot Rabash" ("Letters [of the] Rabash"). Wikipedia
The definitive Wikipedia entry for Baruch Ashlag. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Baruch_Ashlag
