hiː wʌzɐ pjˈuːpəl ʌv dʒˈɜːʃəm bˈɛn dʒˈuːdə ɪn mˈeɪnts, ænd ɪz ɪspˈɛʃəli nˈoʊn æz ðə tˈiːtʃɚɹ ʌv ɹˈæʃi, hˌuː kˈæɹɪktɚɹˌaɪzᵻz hˌɪm æz mˈɔːɹi hˈɑː zˈeɪkən maɪ tˈiːtʃɚ ðɪ ˈɛldɚ.
He was a pupil of Gershom ben Judah in Mainz, and is especially known as the teacher of Rashi, who characterizes him as Mori HaZaken (my teacher the elder).