Yasuhiro Konishi (小西康裕, Konishi Yasuhiro; 1893 - 1983) was one of the first karateka to teach karate on mainland Japan. He was instrumental in developing modern karate, as well as a driving force in the art's acceptance in Japan. He is credited with developing the style known as Shindō jinen-ryū (神道自然流).
Source: “Yasuhiro Konishi”, English Wikipedia (CC BY-SA 4.0), excerpt