Aaron Ben Asher (Abū Saʿīd Hārūn) lived and worked in Tiberias in the first half of the tenth century. He was the sixth and last member of the Ben Asher dynasty of masoretes (see Ben Asher, Moses). He is considered to have been the close and the most authoritative of the masoretes. His name is especially linked with two large literary projects:

(1) SeferDiqduqe ha-Teʿamim, dealing with clear masora matters, such as special characters, qeri and ketiv, and lists of defective and full scripts in the Bible. Along these occur neighboring grammatical matters, such as the divi…