Ramban Nachmanides

Nachmanides – R’ Moshe ben Nachman (1194-1270), Girona, Spain, Akko; Leading scholar of the middle-ages who authored commentaries on Torah and the Talmud. He was a posek who wrote responsa and stand-alone works on Halachic topics, as well as works on mysticism, science and philosophy. Immigrated to Israel at age 72 and settled in Akko.