In Photos: Mawson’s Antarctica Expedition

Arthur Sawyer and sea elephant pup

Sawyer, a New Zealander, took the key role of chief wireless operator on Macquarie Island, linking the Antarctic bases with Australia.
Photograph: James Francis (Frank) Hurley/State Library of New South Wales

Weddell seal, Shackleton Ice Shelf

Seals were a key source of protein to sustain the men and dogs at the Cape Denison base.
Photograph: Morton Henry Moyes/State Library of New South Wales

Skeleton of sea-elephant and Hamilton

Harold Hamilton was taken on by Mawson to serve as biologist in the Macquarie Island party.
Photograph: James Francis (Frank) Hurley/State Library of New South Wales