sˈɪdni ˈɑːɹ. ɡˈɑːɹfiːld ˈeɪpɹəl sˈɛvəntˌiːn, nˈaɪntiːnhˈʌndɹɪd sˈɪks dᵻsˈɛmbɚ twˈɛnti nˈaɪn, nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi fˈoːɹ wʌz ɐn ɐmˈɛɹɪkən mˈɛdɪkəl dˈɑːktɚ ænd ɐ paɪənˈɪɹ ʌv hˈɛlθ mˈeɪntənəns ˌɔːɹɡɐnᵻzˈeɪʃənz.
Sidney R. Garfield (April 17, 1906 – December 29, 1984) was an American medical doctor and a pioneer of health maintenance organizations.