Rabbi Reuven Chaim Klein is a freelance researcher and scholar living in Beitar Illit. He has authored multiple books and essays, including “Lashon HaKodesh: History, Holiness, & Hebrew” and ...

Rabbi Chaim Kosofsky is a Chabad shliach in Longmeadow, Massachusetts. He teaches Judaic studies at Lubavitcher Yeshiva Academy (www.LYA.org), and runs programs and teaches adult education for ...