sˌɜː tˈɑːməs lˈiːɑːn blˈʌndɛl,  bˈɔːɹn sˈɛvən dʒuːlˈaɪ nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi tˈuː ɪz ɐ bɹˈɪɾɪʃ bˌaɪoʊkˈɛmɪst, stɹˈʌktʃɚɹəl baɪˈɑːlədʒˌɪst, ænd sˈaɪəns ɐdmˈɪnɪstɹˌeɪɾɚ.
Sir Thomas Leon Blundell,  (born 7 July 1942) is a British biochemist, structural biologist, and science administrator.