German supplied engines. Castoldi was in charge of the design of a series of military fighter that formed the mainstay of Italian fighter force in World War II, specifically the C.200, C.202 and Macchi C.205. In 1945 Castoldi retreated to private life. He died at Trezzano sul Naviglio in 1968. References 1888 births 1968 deaths People from the Province of Milan Aircraft designers 20th-century Italian engineers