On Learning Kabbalah ..from the radio broadcast Insights from Beyond. Listen.. http://www.mazel.org/main/wp-content/uploads/2014/08/ifb_onaryehkaplan-RYitzchokAdlerstein.mp3 Rabbi Yitzchak Adlerstein of the Yeshiva of Los Angeles discusses the late Rabbi Aryeh Kaplan; a contemporary mystic and extremely prolific, innovative author.