Title: Shackleton
Subjects: Explorers, Biography, Discovery and exploration, Shackleton, ernest henry, sir, 1874-1922, Scott, robert falcon, 1868-1912, Amundsen, roald, 1872-1928, Antarctica, discovery and exploration
Places: Antarctica
People: Ernest Henry Shackleton Sir (1874-1922), Roald Amundsen (1872-1928), Robert Falcon Scott (1868-1912)