Angelo Di Pietro (inventor)
Angelo Di Pietro (born 1950 in Avellino, Italy) is an engine designer who developed the Di Pietro Motor air engine. == Life == He qualified as Congegnatore Meccanico in Avellino and moved to Stuttgart to work on the pistonless rotary Wankel engine at the Daimler-Benz AG research laboratories 1969 and 1970.
Source: Wikipedia — Angelo Di Pietro (inventor) (CC BY-SA 4.0)