This week we bring you the twentyfifth installment of Alden McWilliams’ illustrated tribute to the pioneer fliers of the early days of aviation. He called it “They Had What it Takes” and this one appeared in the February 1939 Flying Aces and featured Assen Jordanoff, competant and versitile flyer, noted inventor, aviation author and the pride of Bulgaria.

• Download “They Had What It Takes – Part 25: Assen Jordanoff” (February 1939, Flying Aces)