Hjalmar Riiser-Larsen was a Norwegian aviation pioneer, military officer, polar explorer and businessman. Among his achievements, he is generally regarded a founder of the Royal Norwegian Air Force.
Riiser-Larsen in 1953
Riiser-Larsen during one of Amundsen's expeditions
Riiser-Larsen (left) with Birger Fredrik Motzfeldt in 1959
Roald Engelbregt Gravning Amundsen was a Norwegian explorer of polar regions. He was a key figure of the period known as the Heroic Age of Antarctic Exploration.
Amundsen c. 1923
RV Belgica frozen in the ice, 1898
Amundsen c. 1908
Norwegian flag at the South Pole