Franciszek Żwirko [english pronunciation like: frantsishek zhvirko] was a prominent Polish sport and military aviator. Along with Stanisław Wigura, he won the international air contest Challenge 1932.
Franciszek Żwirko in 1932
Żwirko in 1927
Stanisław Wigura and Franciszek Żwirko, 1932
Symbolic grave of Żwirko in Cierlicko, in the place of his fatal crash.
Stanisław Wigura was a Polish aircraft designer and aviator, co-founder of the RWD aircraft construction team and lecturer at the Warsaw University of Technology. Along with Franciszek Żwirko, he won the international air contest Challenge 1932.
Stanisław Wigura in 1932
Stanisław Wigura (left) and Franciszek Żwirko