In a nutshell, they were both started by the same founder, Hwang Kee. Tang Soo Do first, then Hwang Kee changed his style to Soo Bahk Do, whereas Tang Soo Do continued on.
Hwang Kee's son, H.C. Hwang is now the head of the Soo Bahk Do organization.
Jae Chul Shin is the head of the World Tang Soo Do Association.
There are several different organizations of Tang Soo Do as well.
More in on
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