ɹˈɛdʒɪnəld klˈɔːd spɹˈɪɡ,  wˈʌn mˈɑːɹtʃ nˈaɪntiːnhˈʌndɹɪd nˈaɪntiːn tˈuː dᵻsˈɛmbɚ nˈaɪntiːnhˈʌndɹɪd nˈaɪnti fˈoːɹ wʌz ɐn ɔːstɹˈeɪliən dʒɪˈɑːlədʒˌɪst ænd kˌɑːnsɚvˈeɪʃənˌɪst.
Reginald Claude Sprigg,  (1 March 1919 – 2 December 1994) was an Australian geologist and conservationist.