Attilio Marinoni was a test driver for Alfa Romeo who took three wins in the Spa 24 Hour race. At the end of 1932 Alfa Romeo withdrew from racing, he became their chief mechanic and reserve driver and made a few appearances in Grand Prix between 1934 and 1939. The war interceded and Marinoni was killed testing an Alfa Romeo 158/512 hybrid.
Attilio Marinoni died 80 years ago, he was 44
Mazzacurati was an Italian engineer and auto racer driver active in South Africa, winner of the 1936 South African Grand Prix in Bugatti cars with pseudonym Mario Massacuratti.