The history of Wing Chun is best to start in Leung Jan who lives in 1800's this the most accurate and traceable history of it. Leung Jan has many of students from Leung Bik, Chan Wah Shun and Leung Chuen to Ip Man.
Ip man 1893-1972
Wing Chun martial arts are very different from any other martial arts because of it has unique way, it takes science to use forms, structure, patterns and angles against to it's opponents that can give you best positions to protect yourself. It is a close quarter combat system that uses 80% of hands and 20% of feet.
All over Wing Chun is one of skills that has been afraid of when it is uses against you because they don't understand. Most mixed martial arts practitioner believes that this skills is difficult to perform in reality and it is absolutely not true, If you approach your opponent properly and your moves are organized in the right way as result of proper training.
You can be extremely dangerous and effective regardless of your size or strength and regardless of your level of experience.
You need to have a clearly defined purpose for every set of attacks, you have to understand control techniques it is the only way to put your opponent into hold back position, difficulty, pressure and the most important to put him in won't respond situations. But you have to be certain that you will use the very details of hand blocks and leg blocks of Wing Chun because this defense give you control and it will make difference, it will dictate who will control and dominate the fight.
If you really want to finish the conflicts in the fastest way, the specific techniques of hand trappings is the key to victory which is really matters and to devour your opponent in this conflicts you have to workout your bio-mechanics.
There are lot of big names of martial artist who been study this art One of them is the famous Bruce Lee, Sammo Hong, Jackie Chan, Donnie Yen, Robert Downey Jr. and lately Steven Seagal.
Wing Chun provides every strike you thrown leading to another strikes, so even if he successfully blocked, hitting him is inevitable. There are no blocks that can stop Wing Chun from getting you it can be describe in a simple expression "once you hit you will be forever hit".