Anti-commun-ist, Lao politician, and nationalist during the Indo-china War. Brother of Un Xananikôn, Phuy studied at the Collège Pavie before entering the colonial civil service in 1923 as a secretary in the Résidence supérieure in Laos. Between 1924 and 1932, he worked as a clerk in the same office in Vientiane. He helped quell the revolt of the Khas in northern Laos in 1943. Between 1942 and 1945, he was province chief for Houa Khong province in northern Laos. Following the Japanese coup de force of 9 March 1945, he joined the Franco-Lao underground resistance, retreating with French troops into China before making his way to Calcutta. He returned with the French occupying forces to Laos in 1946. In 1947, he served as minister of Education and Health in the Royal Lao government, became a deputy for Pakse in that same year, and served as the first president of the National Assembly of Laos between 1947 and 1950. In 1950, he briefly served as prime minister of the Associated State of Laos and minister of Defense. He led the Lao delegation to the Pau conference in June 1950. He was president of the Independent Party and served as minister of the Interior and Defense in 1953 and then as minister of the Interior and Foreign Affairs in 1954. He led the Lao delegation to the Geneva Conference of mid-1954, fiercely opposed to the Pathet Lao’s claim to represent any part of Laos. See also GENEVA ACCORDS, LAOS.