Rishonim were the leading rabbis and poskim who lived approximately during the 11th to 15th centuries, in the era before the writing of the Shulchan Aruch and following the Geonim. Rabbinic scholars s
Moses ben Nachman, commonly known as Nachmanides, and also referred to by the acronym Ramban and by the contemporary nickname Bonastruc ça Porta, was a leading medieval Jewish scholar, Catalan rabbi,
Nachmanides's letter to his son displayed on the Ramban synagogue in Jerusalem