David Trench
The 1966 and 1967 riots in Hong Kong served as a catalyst for social reforms in Hong Kong, with the implementation of positive non-interventionism in 1971, while David Trench grudgingly introduced some social reforms, it was not until Murray MacLehose greatly expanded the scope of reforms which transformed lives of residents in Hong Kong, thus becoming one of the Four Asian Tigers. The 1970s marked starting of the Lion Rock Spirit.