The Karate instructor Manzo Iwata, who received instruction from his grandfather’s close friend Morihei Ueshiba, on the left. Kenwa Mabuni, the founder of Shito-ryu Karate – who was also associated with Morihei Ueshiba, on the right. The “Last Ninja”, Fujita Seiko, in the center. Both Fujita Seiko and Kenwa Mabuni’s student Yasuhiro Konishi are featured in “The Phantom Manual: Yamato Ryu Goshinjutsu”, on the Aikido Sangenkai blog:

The Phantom Manual: Yamato Ryu Goshinjutsu