From HISTORICAL DICTIONARY OF CAMBODIA, by Justin Corfield and Laura Summers. Edition 2003. page 449:
VANDY KAONN (1942- ). A 1966 graduate of the Faculty of Pedagogy, he taught French and English at Prey Nop College in Kampot for two years before being recalled to Phnom Penh to take up a post as a writer for the official state newspaper, Cambodge. He became deputy director of the government press agency, Agence Khmere de Presse (AKP), at the same time. In 1969, when he was responsible for political affairs in the Ministry of National Education secretariat, he was one of the founders and editorin-chief of Le courrier phnompenhois. During the Khmer Republic years, he taught philosophy in Phnom Penh high schools while continuing to work for AKP, becoming its chief writer in 1970. He also wrote for several other Khmer language papers or magazines, notably Chadomuk, Mohachon and Khmerathibotey and was managing director and publisher of the major French-language daily, Le Republicain. He went to France in 1972 to begin research for a doctorate in sociology but owing to difficulties with his scholarship, he returned to Phnom Penh in 1973. Between 1975-1979, he worked in the countryside, successfully disguising his intellectual background. After 1979 he was one of the most prominent, noncommunists to become associated with the People's Republic of Kampuchea (PRK). Secretary-general of the Kampuchea-Vietnam Friendship Association from September 1979 until August 1989, he became deputy secretary-general of the United Front for the National Salvation of Kampchea/United Front for the Construction and Defense of Kampuchea in May 1981. He also won a seat in the National Assembly in May 1981 representing Battambang, a post held until August 1989. From June 1981 to August 1989, he one of the seven members of the Council of State of the PRK, a body headed by Heng Samrin. In 1982 he was appointed president of the Legal Commission of the PRK National Assembly and was the founder and director of the Institute of Sociology in Phnom Penh. Thun Saray was his deputy. He courageously raised the issue of Corruption in the PRK until he finally, quietly, left the service of the regime in August 1989, remaining in France during a mission there. He has written two books, Cambodge: 1940-1991 ou la politique sans les Cambodgiens (1993) and Cambodge: La Nuit Sera Longue (1996). He is currently completing his doctorate at the University of Nice Sophia Astipolis.