fɹʌm nˈaɪntiːnhˈʌndɹɪd sˈɛvənti θɹˈiː tə nˈaɪntiːnhˈʌndɹɪd sˈɛvənti sˈɛvən, hiː wʌz ɐn ɐsˈɪstənt pɹəfˈɛsɚɹ æt ðə jˌuːnɪvˈɜːsᵻɾi ʌv tɚɹˈɑːntoʊ ænd wʌz ɐn ɐsˈoʊsɪˌeɪt pɹəfˈɛsɚ fɹʌm nˈaɪntiːnhˈʌndɹɪd sˈɛvənti sˈɛvən tə nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi sˈɪks.
From 1973 to 1977, he was an assistant professor at the University of Toronto and was an associate professor from 1977 to 1986.