tɹˈiːt bˈɔːldwɪn dʒˈɑːnsən twˈɛnti nˈaɪn mˈɑːɹtʃ wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɛvənti fˈaɪv twˈɛnti ˈeɪt dʒuːlˈaɪ nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi sˈɛvən wʌz ɐn ɐmˈɛɹɪkən ɔːɹɡˈænɪk kˈɛmɪst ænd stˈɜːlɪŋ pɹəfˈɛsɚɹ æt jˈeɪl jˌuːnɪvˈɜːsᵻɾi fɹʌm nˈaɪntiːnhˈʌndɹɪd twˈɛnti ˈeɪt nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi θɹˈiː.
Treat Baldwin Johnson (29 March 1875 – 28 July 1947) was an American organic chemist and Sterling Professor at Yale University from 1928–1943.