Isaac Alfasi
Rabbi
Isaac ben Jacob Alfasi - also known as the Alfasi or by his Hebrew acronym, the Rif, was a Maghrebi Talmudist and posek. He is best known for his work of halakha, the legal code Sefer Ha-halachot, considered the first fundamental work in halakhic... Wikipedia
Born: 1013, Beni Hammad Fort, Maadid, Algeria
Died: 1103 (age 90 years), Lucena, Spain
Books: Hilchot HaRif and Hilkhot Rav Alfas