Franciszek Misztal

Franciszek Misztal was a Polish aircraft designer.
He studied at Lviv Polytechnic and received his doctorate in 1929 at the Technical University in Aachen. From 1928 he worked in the PZL in Warsaw as a constructor. Contributor to the design of aircraft PZL.23 Karaś, PZL.19, PZL.26 and the chief designer of PZL.38 Wilk. Inventor of the caisson structure with corrugated wings.
During World War II he taught mechanics in Warsaw. After the war, the founder of CSS construction bureau, then professor at the Warsaw University of Technology and the Institute of Aviation, where together with Leszek Dulęba he constructed the prototype 4-engine passenger aircraft PZL MD-12, and the secretary of Division IV of the Polish Academy of Sciences.