hiː ðˈɛn tˈɔːt æt hɪz ɪnˈɪʃəl ˈɔlmə mˈeɪɾɚ, ðə jˌuːnɪvˈɜːsᵻɾi æt bˈʌfəlˌoʊ, fɹʌm nˈaɪntiːnhˈʌndɹɪd twˈɛnti sˈɛvən tə nˈaɪntiːnhˈʌndɹɪd sˈɪksti wˈʌn ænd nˈaɪntiːnhˈʌndɹɪd sˈɪksti fˈoːɹ nˈaɪntiːnhˈʌndɹɪd sˈɛvənti fˈoːɹ; dˈʊɹɹɪŋ ðɪ ˈɪntɚɹˌɪm, hiː wʌz tʃˈɛɹmən ʌvðə dᵻpˈɑːɹtmənt ʌv fɪlˈɑːsəfi æt ðə jˌuːnɪvˈɜːsᵻɾi ʌv pˌɛnsɪlvˈeɪniə.
He then taught at his initial alma mater, the University at Buffalo, from 1927 to 1961 and 1964–1974; during the interim, he was Chairman of the Department of Philosophy at the University of Pennsylvania.