He immediately began teaching Japanese and kendo .
Yoshinaga was born in Wahiawa , moved to Kumamoto , Japan , at age 4 , and returned to Hawai'i in 1937 at age 19 .
Yoshinaga immediately began teaching Japanese and kendo .
Yoshinaga was born in Wahiawa , moved to Kumamoto , Japan , at age 4 , and returned to Hawai'i in 1937 at age 19 .