Rabbi Elliott will speak more specifically about the work and influence of the two 20th century Rabbis Mordachai Kaplan and Abraham Joshua Heschel. These two are arguably the most influential, non-orthodox, Rabbis in contemporary America. All are welcome. For more information, contact the BK office. Rabbi Elliott will speak more specifically about the work and influence of the two 20th century Rabbis Mordachai Kaplan and Abraham Joshua Heschel. These two are arguably the most influential, non-orthodox, Rabbis in contemporary America. All are welcome. For more information, contact the BK office.