bˈɑːɹnɑːɹd wʌz ɪn hɪz tˈiːnz æt ðə tˈaɪm ʌvðə ɹɪvˈoʊniə tɹˈaɪəl ʌv nˈaɪntiːnhˈʌndɹɪd sˈɪksti θɹˈiː, ɪnwˌɪtʃ nˈɛlsən mændˈɛlə ænd sˈɛvɹəl ˈʌðɚɹ ˈæfɹɪkən nˈæʃənəl kˈɑːŋɡɹəs lˈiːdɚz wɜː kənvˈɪktᵻd ʌv tɹˈiːzən ænd sˈɛntənst tə lˈaɪf ɪn pɹˈɪzən.
Barnard was in his teens at the time of the Rivonia Trial of 1963, in which Nelson Mandela and several other African National Congress leaders were convicted of treason and sentenced to life in prison.