 Complete the following phrase:  The first Cooper car to enter a Formula One Grand Prix was Harry Schells Mark IV, fitted with an V-twin engine, at the 1950 Monaco Grand Prix. However, Maddocks contribution to this design was minor. Coopers conventionally front-engined Cooper Bristol cars also contested a number of World Championship Grands Prix during the Championships Formula Two years in and . Mike Hawthorns notoriously rapid example took fourth place in the 