Shackleton's Promise Kept

In April 1916, Ernest Shackleton stood on the rocky shore of Elephant Island and made a promise to his twenty-two stranded men: "I will come back for you." Then he climbed into a twenty-two-foot lifeboat and sailed into the most treacherous ocean on earth. His men could do nothing but wait. They couldn't help navigate the 800 miles of frozen, heaving seas between Elephant Island and South Georgia.…