Gozo Shioda

[3][4] Shioda graduated from Takushoku University, where he went to class with Judo master Masahiko Kimura and Kyokushin Karate founder Mas Oyama, in 1941, and was posted to administrative positions in China, Taiwan, and Borneo during World War II.

In the ensuing fight, Shioda broke the leg of one of the gang members, the arm of another, and stopped another by punching him in the stomach, all using his aikido skills.

[4] He rejoined Ueshiba for a month of intensive training, but was forced to dedicate the next few years to earning a living in post-war Japan.

Shioda's performance attracted sponsorship that enabled him to build an aikido dōjō (training hall).

[8] Pranin notes that Ueshiba's school independently recovered later on, so that "there never occurred a formal split between the two organizations despite their rather different approaches to aikido.

"[8] In an interview with Andy Adams for Black Belt magazine, Shioda said, "I don't really feel that I broke away from the mainstream of aikido since there was nothing to break away from back then.

For a time my father [Kisshomaru Ueshiba] was actually in Iwama instead ... starting around 1949, he worked for about seven years at a company called Osaka Shoji.

Even if you have a dojo, you can't make a living if nobody is coming to train, which was largely the case after the war.

"[15] In 1957, Shioda developed the Senshusei course, an intensive aikido training program,[16] for the Tokyo Metropolitan Police Department.

[2] In 1973, Shioda sent Takashi Kushida, one of his most senior students, to introduce Yoshinkan aikido to the United States of America.