Sir Jack Brabham pushed a racecar to victory, won a title in a car he built himself, and took Formula One to new levels and faster speeds. The ‘colossus of the sport’ died Monday the age of 88.Sir Jack Brabham pushed a racecar to victory, won a title in a car he built himself, and took Formula One to new levels and faster speeds. The ‘colossus of the sport’ died Monday the age of 88.