Dee ihe na-aga n'ihu na paragraf a - Mackintosh nwere ahụmahụ mbụ ya n'Antarctic dị ka onye nke abụọ n'ime ndị isi nke njem "Nimrod" nke Shackleton mere
, 1907<unk>1909. N'oge na-adịghị anya ka o rutesịrị Antarctic, ihe mberede mere n'ụgbọ mmiri mere ka anya aka nri ya mebie, e zighachikwara ya New Zealand. Ọ laghachiri na 1909 iji sonye na nke ikpeazụ nke njem ahụ; ọchịchọ ya na mkpebi siri ike n'ọnọdụ ọjọọ masịrị Shackleton, ma duga ya na nhọpụta Ross Sea party na 1914.