Appointed Minister of education after 1959 elections . During his times , multi-lingual curriculum was adopted and the Malay language was declared the national language .
He was MInister for Health during Singapore's separation from Malaysia . His Most significant policies as Health minister was the launcg of the Sinagpore's Family Planning and Population Board in 1965 . Population control programmes were introduced but were met with resistance .
Mr.Yong was also MInister for communications from 1968 - 1976 and retired from public service after that . In 1990 , He was amitted into the order if nila Utama .
