acronym for Rabbi Moshe ben Maimon (Moses Maimonides) (1135–1204), a philosopher and rabbi—also a practicing physician—was probably the greatest medieval Jewish philosopher. His writings include Sefer ha‐Mitzvot(“Book of the Commandments”), Mishneh Torah, a code of Jewish law, and the philosophical work Guide of the Perplexed. Originally from Spain, he lived part of his life in Egypt.