john macdonald (born 27 may 1936 in worcester) is a racing car driver and a motor-cycle racer of hong kong. he was originally from england, where he started his career racing motorcycles, then cars until he served at the national service. he then lived in hong kong and raced as a competitor of hong kong, where he owned a garage business. he is best known as the most successful driver in the macau grand prix during the early 1970s.