Amundsen, Roald. 1872-1928. Norwegian explorer, first to South Pole, 1911; NW Passage, 1906.

Antarctica. 1773 Cook explores seas. 1820 first sighted. Bransfield. 1821 first landing-Davis. 1911 Amundsen first to S Pole.

Nobile, Umberto. 1885-1978. Italian general, flew over South Pole in a dirigible, 1926, with Amundsen, Ellsworth.

Northwest Passage. Attempts 1497- to find a sea route around Canada to Asia. Amundsen succeeded 1903-6. McClure 1853.