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 easier, e.g. in public performances. A person who wears a yellow belt with one or more stripes is considered an instructor. Following in a longer period of time, respectively 3 red stripes are added to the yellow belt. This corresponds to the 1st, 2nd, respectively 3rd degree blackbelt (Đẳng). The exam following the 3rd red stripe is the master's exam. Passing the exam successfully assigns the right to wear a red belt with a circulating yellow border (4th degree blackbelt). <nowiki> </nowiki>Red stands for the blood and the intensive flame. The student has internalized Vovinam (Việt Võ Đạo)