Erwin Komenda XXX: "swinging-axle suspension, independent suspension, braking systems". Also a streamlined small car with rear engine was developed. In November 1931 Komenda joined the engineering office newly founded by Ferdinand Porsche as head of the bodywork design department, which he headed until 1966. Among other things, he developed the body of the VW beetle. With more than 21.5 million copies, VW Beetle became the best-selling automobile of the 20th century. With a graduate engineer Josef Mickl, a Porsche employee specializing in aircraft construction and aerodynamics, Komenda developed the bodywork of the P-Auto Union racing car and Cisitalia racing car. As early
Panzer ace was also a factor. He points out that there were tank commanders, like Buck Kite and Laffeyete Pool, who still had success in their tanks despite them being inferior to the tanks they opposed. Panzer ace "Panzer ace" ("tank ace") is a contemporary term used in English-speaking popular culture to describe highly decorated German tank ("Panzer") commanders and crews during World War II. While not prevalent in World War II within the Wehrmacht, it was common in the Waffen-SS to reward its most successful personnel, as the SS organisation was far more attuned to the propaganda imperatives of Nazi Germany.