In 1927, Ueshiba moved to Tokyo and later started teaching in Kobukan 皇武館 dojo. Through his military connections, Ueshiba was later introduced to some of the top martial artists. Among them was Kosaburo Gejo 下条小三郎, a navy commander but also an expert in Yagyu Shinkage Ryu. Gejo was a top student of Yagyu 柳生厳周, the 13th generation head of the Owari Yagyu 尾張柳生 lineage. While Ueshiba and Gejo had more of a friendly relationship rather than a formal teacher/student one, it is generally believed that Ueshiba was exposed to some high level of Yagyu Shinkage Ryu techniques and concepts through this relationship. However, there is also a saying that Gejo…