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 martial arts that prefer the hard over the soft and others that prefer the soft over the hard. Vovinam Việt Võ Đạo does not prefer any over the other. Hard and soft are used equally to adapt to every situation, to every problem. Based on Võ-Thuật, the student aims to develop the ability to combine hard and soft in combat and in daily life. This aims to develop physical abilities as well as the student's spirit. Not only the principle of the harmony of hard and soft but also many other things resulting from the training contribute to internalizing the