hiː wʌz ɐn ˈɜːli kəntɹˈɪbjuːɾɚ nˈaɪntiːnhˈʌndɹɪd fˈɪfti ˈeɪt tə ðə θˈiəɹi ʌv vˈɛktɚbˈɑːsənz dˈʌbəljˌuː ænd zˈiː bˈɑːsənz ænd ɪlˌɛktɹoʊwˈiːk jˌuːnɪfɪkˈeɪʃən, wˌɪtʃ lˈeɪɾɚ bɪkˌeɪm ðə stˈændɚd mˈɑːdəl, ænd ɐn ˈɜːli ˈædvəkˌeɪt ʌvðə jˈuːs ʌv fˈaɪbɚ bˈʌndəlz ɪn ɡˈeɪdʒ θˈiəɹi.
He was an early contributor (1958) to the theory of vector-bosons (W and Z bosons) and electro-weak unification, which later became the Standard model, and an early advocate of the use of fiber bundles in gauge theory.