He left school at 15 , serving an apprenticeship in Fitting at the Otahuhu Railway Workshops .
David 's family moved to New Zealand when he was 8 months old and settled in the Auckland suburb of Manurewa .
David left school at 15 , serving an apprenticeship in Fitting at the Otahuhu Railway Workshops .
David 's family moved to New Zealand when he was 8 months old and settled in the Auckland suburb of Manurewa .