 Complete the following phrase:  He participated in 11 Formula One World Championship Grands Prix, scoring three championship points, with his best result at the 1960 French Grand Prix, a fourth place in his Cooper T51. That year he also drove for Ken Tyrrells Formula Junior team, winning twice. He found less success in the following seasons World Championship Grands Prix, but finished second twice in domestic Formula One races, among other strong results. Not long after a serious accident in the 