Rubuta ci gaba ga wannan sakin layi - Kwarewar Mackintosh ta farko a Antarctic ita ce a matsayin mataimakin jami'in Shackleton na "Nimrod"
, 1907<unk>1909. Ba da daɗewa ba bayan da ya isa Antarctic, haɗarin jirgin ruwa ya lalata idonsa na dama, kuma aka mayar da shi New Zealand. Ya dawo a shekara ta 1909 don shiga cikin matakai na baya na binciken; nufinsa da ƙudurinsa a cikin wahala ya burge Shackleton, kuma ya kai ga nadin jam'iyyar Ross Sea a shekarar 1914.