Eliezer ben Isaac ha-Gadol was a German rabbi of the eleventh century.
He was a pupil of his cousin R. Simon ha-Gadol of Mainz and of R. Gershom Me'or ha-Golah.
David Conforte, relying on the statement in the tosefta to Shab.
[2] In Rashi's quotation he is sometimes called Eliezer ha-Gadol and sometimes Eliezer Gaon, which induced Azulai to consider them as two separate persons.
As to the authorship of the seliḥah Elohai Basser 'Ammeka, recited in the service of Yom Kippur Katan and attributed to Eliezer by Michael,[5] see Landshuth, 'Ammude ha-'Abodah, p. 20.