Tuhia he tohutoro mō tēnei wāhanga - Ko te wheako tuatahi o Mackintosh ki Antarctic ko ia hei tuarua o nga rangatira i runga i te haerenga a Shackleton o "Nimrod"
, 1907 <unk>1909. Kāore i roa i muri i tana taenga mai ki Antarctica, ka ngaro tōna kanohi matau i tētahi aitua kaipuke, a, ka whakahokia ia ki Aotearoa. I hoki mai ia i te tau 1909 ki te whai wāhi ki ngā wāhanga o muri o te haerenga; ko tana hiahia me tana whakatau i roto i te raruraru i miharo ki a Shackleton, a, i arahina ki tana whakatuunga rōpū o te Moana o Ross i te tau 1914.