Question: Roald Amundsen disappeared during a rescue mission to the North Pole in search of an aviator born in which year ?
Sentence (from "Umberto Nobile"): He is primarily remembered for designing and piloting the airship "Norge", which may have been the first aircraft to reach the North Pole, and which was indisputably the first to fly across the polar ice cap from Europe to America.
Relevant evidence: No