“…About fifteen years later, Sir Ernest Shackleton and his crew overwintered on Elephant Island, at the tip of the Antarctic Peninsula, after their ship, the Endurance, was crushed by sea ice in the Weddell Sea. This expedition is remembered mostly for the epic rescue of the ship's crew, but it did provide important scientific results (see Shackleton, 1919and Wordie, 1918, 1921a.…”