Question about Bruce Lee and jeet kuen do?

It is nearly impossible to find out how many students he had. But during those times of racism against orientals, for a chinese man to come out and be the biggest thing since sliced bread and still be remembered what 60 years later then oviously he must have been great. There is videos on youtube of his demonstrations and you can actually see his speed at kicking as he performs side kicks and kicks to the hip,waist, or knee and you can clearly see his strength and knowledge.