Abraham ben David

Abraham ben David (c. 1125 – 27 November 1198),^[1] also known by the abbreviation RABaD (for Rabbeinu Abraham ben David) Ravad or RABaD III, was a Provençal rabbi, an important commentator on the Talmud, Sefer Halachot of Rabbi Yitzhak Alfasi (known by the abbreviation RIF) and Mishne Torah of Maimonides, and is regarded as a father of Kabbalah and one of the key links in the chain of Jewish mystics.^{[citation needed]}