hiː mˌeɪd paɪənˈɪɹɪŋ dɪtˌɜːmᵻnˈeɪʃənz ʌv ɐtˈɑːmɪk wˈeɪts, tʃˈɛɹd ðə kˈɛmɪstɹi dᵻpˈɑːɹtmənt æt ðə jˌuːnɪvˈɜːsᵻɾi ʌv ˌɪlənˈɔɪ ɜːbˈɑːnə tʃæmpˈeɪn fɹʌm nˈaɪntiːnhˈʌndɹɪd sˈɛvən tə nˈaɪntiːnhˈʌndɹɪd twˈɛnti sˈɪks, wʌzðə fˈaʊndɚ ænd ˈɛdɪɾɚɹ ʌv sˈɛvɹəl ɪmpˈoːɹtənt kˈɛmɪkəl dʒˈɜːnəlz, ænd ɹᵻsˈiːvd ðɪ ɐmˈɛɹɪkən kˈɛmɪkəl səsˈaɪəɾiz hˈaɪɪst ɐwˈɔːɹd, ðə pɹˈiːsli mˈɛdəl, ɪn nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi fˈaɪv.
He made pioneering determinations of atomic weights, chaired the chemistry department at the University of Illinois Urbana–Champaign from 1907 to 1926, was the founder and editor of several important chemical journals, and received the American Chemical Society's highest award, the Priestley Medal, in 1935.