sˌɜːɹ ˌælɪɡzˈændɚɹ ˈɑːpənhˌaɪm, ˈoʊb ˌɛfˌɑːɹɹˌɛsˈiː kˌeɪtˈiː pˌiːˌɛmˈɛn fˈoːɹ fˈɛbɹuːˌɛɹi nˈaɪntiːnhˈʌndɹɪd θɹˈiː θˈɜːtiːn dᵻsˈɛmbɚ nˈaɪntiːnhˈʌndɹɪd nˈaɪnti sˈɛvən wʌzɐ bɹˈɪɾɪʃ mˌæθɪmɐtˈɪʃən ænd jˌuːnɪvˈɜːsᵻɾi ɐdmˈɪnɪstɹˌeɪɾɚ.
Sir Alexander Oppenheim, OBE FRSE KT PMN (4 February 1903 – 13 December 1997) was a British mathematician and university administrator.