ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvən hiː bɪkˌeɪm tʃˈɛɹ ʌvðə kˈɛmɪstɹi dᵻpˈɑːɹtmənt æt ðə jˌuːnɪvˈɜːsᵻɾi ʌv ˌɪlənˈɔɪ ɜːbˈɑːnə tʃæmpˈeɪn, ɐ pəzˈɪʃən hiː wʊd hˈoʊld ʌntˈɪl nˈaɪntiːnhˈʌndɹɪd twˈɛnti sˈɪks.
In 1907 he became chair of the chemistry department at the University of Illinois Urbana–Champaign, a position he would hold until 1926.