This is a bummer! I have always loved the great age of exploration. Shackletons journey is one of the most remarkable ever! Despite all that happenend, not a single person dies! NONE! This amazing even to this day with all the fancy ger we have. And cell phones. Radios. Cameras. They were left in the hashest plae on Earth with no means to communicate to the outside world.
Since the crew was going overland, on the ice, dragging sleds behind them, Hurley was not allowed to take all the pictures, which we on glass plates, therefore heavy and fragile. The process used was the Paget process. He was also the first to take color photos in this setting.