Mawson joined Ernest Shackleton's
1909) to the Antarctic, originally intending to stay for the duration of the ship's presence in the first summer. Instead both he and his mentor, Edgeworth David, stayed an extra year.<unk> Instead both he and his mentor, Edgeworth David, stayed an extra year. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️