By Tim Pitt Giotto Bizzarrini and Ferruccio Lamborghini both fell out with Enzo Ferrari, then exacted revenge by building their own sports cars. Yet while Lamborghini became a revered household name, Bizzarrini has largely been forgotten. Until now, perhaps. His fame may have been fleeting, but Bizzarrini – still alive today, at 96 years old – is a true titan of the Italian car industry. After studying the new-fangled science of aerodynamics at Pisa university, he was promoted to chief engineer at Ferrari, where he oversaw the Testa Rossa, 250 GT SWB and peerless 250 GTO. Bizzarrini parted way…