Shackleton's heroes

"One hundred years ago, Sir Ernest Shackleton embarked on the legendary Imperial Trans-Antarctic Expedition (1914-1917), accomplishing one of history's most remarkable feats of endurance, even though his crew failed in their mission to cross Antarctica...Less well known, however, is the incredible but often forgotten tale of the Mount Hope party (also known as the Ross Sea party)--six men who worked in the shadow of Shackleton's great cause."