Question: Tim Tackett is a martial arts instructor who runs a non-profit group that is dedicated to preserving a hybrid philosophy of martial arts that was referred to by Bruce Lee as what? 
Sentence (from "Jeet Kune Do"): Lee, who founded the system on July 9, 1969, referred to it as "non-classical", suggesting that JKD is a form of Chinese Kung Fu, yet without form.
Relevant evidence: Yes