Karl Bergey, at age 93, is an expert in small aircraft design and aerodynamics. Since building model airplanes at age 5, Bergey has had an insatiable passion for aviation.
Bergey developed two of the most successful aviation aircrafts in the United States – the Piper PA-28 Cherokee series and the Commander 112 and 114 series. Bergey also owns 10 patents relating to aerospace, wind power and medical technology.
Video by Jake Pasdach