Rabbi Nachum Eliezer Rabinovitch (1928-2020) was born in Montreal, served as principal of Jews' College in London, and from 1983 led Yeshivat Birkat Moshe in Ma'ale Adumim as rosh yeshiva. A halakhic authority and scholar of Maimonides, he wrote the multivolume Yad Peshuta commentary on the Mishneh Torah, and his essays appear in Pathways to God and Pathways to Their Hearts.