Roald Engelbregt Gravning Amundsen (UK: , US: ; Norwegian: [ˈrùːɑɫ ˈɑ̂mʉnsən] ; 16 July 1872 – c. 18 June 1928) was a Norwegian explorer of polar regions. He was a key figure of the period known as the Heroic Age of Antarctic Exploration.
—L.B. Simmons in The Resurrection of Aubrey Miller
—Carl Sagan in Cosmos