ɪn nˈaɪntiːnhˈʌndɹɪd sˈɪksti ˈeɪt, hiː kəntˈɪnjuːd ɪn ðæt ɹˈoʊl æz ðə fˈɜːm tʃˈeɪndʒd pɹˈɪnsɪpəlz ænd bɪkˌeɪm dˈɔːsən, ɹˈɪdɛl, hˈɑːlɹɔɪd, tˈeɪlɚ ænd dˈeɪvɪs.
In 1968, he continued in that role as the firm changed principals and became Dawson, Riddell, Holroyd, Taylor & Davis.