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 fourth installment, which appeared in the May 1937 Flying Aces. It features the record smashing exploits of Captain Frank Hawks. Next week’s part five is McWilliams’ piece on Howard Hughes, who he called “The Scientist of Speed”.

• Download “They Had What It Takes – Part 4: Captain Frank Hawks” May 1937, Flying Aces