Brief Biographies of Competitors, Industrialists and Designers
Vincenzo Piatti, famed designer and manufacturer of the Piatti scooter. Piatti, who began his professional life working with Ettore Bugatti, assisted Suzuki in the development of their four-valve head and is known for many other projects including the humble Mini-Motor.
Ben Shannon has published a detailed account of his "Twinspin" concept in PDF format, available at world-engine-design.com
Pietro Trespidi (B. Stradella, 27 April 1897 - D. Stradella, 10 July 1976 ) was a designer and entrepreneur who was involved with Gilera, Alpino, Ardito, Parilla, Guazzoni and other marques.
Source: Wikipedia Italy