 Complete the following phrase:  Frank Williams had been a motor-racing enthusiast since a young age, and after a career in saloon cars and Formula Three, backed by Williamss shrewd instincts as a dealer in racing cars and spares, he realised hed reached his peak as a driver and started entering other drivers, in particular his friend and sometime flatmate Piers Courage. After Williams backed Courage in a successful 1968 Formula Two season, he purchased a Brabham Formula One car for Courage in 1969. This allegedly angered Jack Brabham, as the car had been sold to Williams with the expectation that it would be used in the Tasman Series and then converted to Formula 5000. Courage in fact had a great year, taking second place at both the Monaco and 