Alden McWilliams’ illustrated tribute to the pioneer fliers of the early days of aviation was called “They Had What it Takes”, and this week we bring you the 13th installment, which appeared in the February 1938 Flying Aces. It features Bernt Balchen, the Norwegian pilot known as the “Viking of the Skies”.

• Download “They Had What It Takes – Part 13: Bernt Balchen” February 1938, Flying Aces