Vovinam to demonstrate Vovinam publicly in Hanoi with his disciples in 1940, Nguyễn was invited to teach the art at Hanoi's Ecole Normale, and Vovinam gained in popularity. During the following years, political unrest increased throughout Vietnam; due to the system's nationalist political orientation, the art came under suppression. By 1954, Nguyễn had emigrated to South Vietnam, where he was able to continue to teach and establish Vovinam schools. After his death in 1960, Grandmaster Le Sang continued the development and international promotion of Vovinam until his own death on September 27, 2010. The first Vovinam school outside of Vietnam was
Nguyễn Lộc Nguyễn Lộc The founder of Vovinam was grandmaster Nguyễn Lộc (Thạch Thất district, 8 April 1912 – 4 April 1960) was a Vietnamese martial arts teacher. He was the founder of Vovinam Việt Võ Đạo. Grandmaster Lộc was born in Hữu Bằng village, Thạch Thất district, then part of Sơn Tây province, now a district of Hanoi. He was the eldest of five children of Nguyễn Dinh Xuyen and Nguyễn Thị Hoa. In his younger years he trained in traditional Vietnamese martial arts. In 1938, grandmaster Nguyễn introduced his style "Vovinam" to the public. After a demonstration in 1939 in