The undisputed leader of this verbal bout with the Karaites was Saʽadia ben Joseph, who became head of the Jewish community in Babylon in the first half of the tenth century C.E.
Selle karaiimidega peetava sõnalise jõukatsumise vaieldamatuks liidriks oli Saadia ben Josef, kellest kümnenda sajandi esimesel poolel sai Babüloonia juutkonna vanem.