Pedzisa mutsara unotevera: Mackintosh akatanga kuenda kuAntarctic ari mutevedzeri womukuru mukuru paShackleton
Rwendo rwa"Nimrodhi", 1907<unk>1909. 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.