 Ramba uchinyora ndima iyi - Mackintosh akatanga kuenda kuAntarctic ari mukuru wechipiri paNimrod yaShackleton, 19071909. Achangosvika muAntarctic, tsaona yakaitika mungarava yakaparadza ziso rake rokurudyi, uye akadzorerwa kuNew Zealand. Akadzoka muna 1909 kuzopinda mumatanho okupedzisira erwendo rwacho; kuda kwake uye kutsunga mukutambudzika kwakaorora Shackleton, ndokutungamirira kugadzwa kwake muboka reRoss Sea muna 1914. 