Seven expeditions from the golden age of exploration. First assault on Everest in 1922 (Brigadier General Bruce, Leigh-Mallory, Capt Finch), voyages in New Guinea in 1924 (Capt. Hurley), submarine filming in 1913 (John Williamson), Greenland expedition in 1930 (Wegener, Sorge, Keiken), flying over the Cape of Africa in 1925 (Cobham), Cape Horn in 1929 (Capt Johnson), Antarctic 1911 (Sir Douglas Mawson)