Lê Sáng develop Vovinam. In 1954, Le Sang accompanied Nguyễn Lộc to Saigon to open a Vovinam school. He opened additional Vovinam schools, and as of 2007, was still teaching the higher-ranked students. In 1960, Nguyễn Lộc passed the leadership of Vovinam to Le Sang. After the fall of Saigon he spent several periods in prison. Leadership passed to Trần Huy Phong (1938-1997). He was born in Hanoi, Vietnam and died in Saigon. Lê Sáng Lê Sáng (1920 – September 27, 2010) was the Chairman of the Vovinam Vietnamese Martial Arts World Federation, a position he held from 1960 until his death.
Vovinam benevolent heart", the student is reminded of the main principle and the goal of Vovinam Việt Võ Đạo with every training. It is also about using the opponent's force and reaction, reaching maximum effect with comparatively little force. The term "Việt Võ Đạo" ("the way (Dao) of Viet Vo") was coined by the patriarch of the second generation of the Vovinam Viet Vo Dao, Le Sang, with the objective of adding a philosophical dimension to his martial art. This "Viet Vo Dao" consists of ten principles: (The wording can vary slightly between Vovinam schools) A "Việt Võ Đạo Federation" was