spɹˈɪɡ ɐtɹˈæktᵻd ðɪ ɐtˈɛnʃən ʌvðɪ ɔːstɹˈeɪliən sᵻkjˈʊɹɹᵻɾi ɪntˈɛlɪdʒəns ˌɔːɹɡɐnəzˈeɪʃən ɐsˈiːoʊ ɪn nˈaɪntiːnhˈʌndɹɪd fˈɪfti, dˈuː tə spɹˈɪɡz nˈɑːlɪdʒ ʌv jʊɹɹˈeɪniəm dᵻpˈɑːzɪts ɪn ɔːstɹˈeɪliə ænd θɹuːˈaʊt ðə wˈɜːld.
Sprigg attracted the attention of the Australian Security Intelligence Organisation (ASIO) in 1950, due to Sprigg's knowledge of uranium deposits in Australia and throughout the world.