Pole of inaccessibility to reach this false northern pole of inaccessibility was made by Sir Hubert Wilkins, who flew by aircraft in 1927. In 1941, the first Soviet expedition using an airplane landed 350 kilometers north of the false northern pole, thus actually becoming the first expedition to reach the real pole. Ignoring Soviet results, Sir Wally Herbert claimed to be the first to reach what was then considered to be the northern pole of inaccessibility on foot, arriving by dogsled in 1968. Explorer Jim McNeill claimed in 2006 that Herbert did not quite make the pole, and launched his own unsuccessful attempt
Farthest North to fly over the North Pole in an airplane. He was widely credited with achieving this, but his claim subsequently became subject to doubt. Finally, on , the airship "Norge" carried Roald Amundsen and fifteen other men including the craft's designer and pilot Umberto Nobile, helmsman Oscar Wisting, navigator Hjalmar Riiser-Larsen, and the expedition's sponsor, Lincoln Ellsworth, over the North Pole, en route from Spitsbergen to Alaska, the first achievement of the Pole about which there is no controversy. The first man definitely to set foot on the Pole was the Russian Alexander Kuznetsov, who landed an aircraft there in