Another member of the Paris student group was Ieng Sary. He was a Chinese-Khmer born in 1930 in South Vietnam. He attended the elite Lycée Sisowath in Phnom Penh before beginning courses in commerce and politics at the "Institut d'études politiques de Paris" (more widely known as "Sciences Po") in France. Khieu Samphan, considered "one of the most brilliant intellects of his generation", was born in 1931 and specialized in economics and politics during his time in Paris. In talent he was rivaled by Hou Yuon, born in 1930, who was described as being "of truly astounding physical and intellectual strength", and who studied economics and law. Son Sen, born in 1930, studied education and literature; Hu Nim, born in 1932, studied law.