sentences:  Later, Kanken Toyama appointed Walter Todd as Shibu-cho (Branch Director) for the U.S., authorizing him to rank students in Shudokan (Toyama-Style) karate and direct the development of Shudokan in America.After Toyama's passing, his son, Ha Toyama, approved Todd's rank of eighth rank.Walter Todd died at the age of 72 on November 26, 1999.