Who is Tadashi Sawamura?

Tadashi Sawamura was a Japanese kickboxer whose real name was Hideki Shiraha. He was one of the first popular participants in the sport, and enjoyed great fame throughout his career. He is sometimes credited with sustaining the early boom in the popularity of kickboxing.

Do you have more info about it ? i doubt this is the answer because i don't have all the information but if trouble was brewing in a clinic maybe it was an argument as to which clinic was better or smth of that nature