[History & Culture] Shackleton, Ernest. (1874–1922) Autograph SignatureRare autograph signature of the junior officer in Scotts National Antarctic Expedition of 190102, who nearly reached the South Pole during an expedition of his own in 1909, in the process becoming a national hero. In 1915, during another expedition, his ship, Endurance, was crushed in the polar ice, and he and five others made a perilous journey of 1300 miles to bring relief for the crew. Knighted in 1909, Shackleton died at South Georgia during a