Politician who twice served as Prime Minister of Cambodia, with his terms being almost 30 years apart. Much of his rebel activity was supported and funded by the CIA.
He was a public prosecutor and Deputy Director of the Buddhist Institute.
He was known for being a rebel, and died in Vietnamese custody after the communist victory there.
He was born to a Chinese-Vietnamese mother and a Khmer father.
Like Norodom Shinanouk, he served multiple terms as Cambodia's Prime Minister.