In 1912, a young naturalist named Robert Cushman Murphy was offered the opportunity of a lifetime - to spend a year on one of the last Yankee whaleships out of New Bedford, on a voyage to the Antarctic. During the voyage, Murphy not only collected specimens and took photographs, developing them in seawater, but kept a journal that was later published and became a bestseller. Now, Eleanor Mathews, his granddaughter, has now taken Murphy's diary...