Sōen Nakagawa (中川 宋淵, Nakagawa Sōen; born Motoi Nakagawa; March 19, 1907 – March 11, 1984) was a Japanese rōshi and Zen Buddhist master in the Rinzai tradition. An enigmatic figure, Nakagawa had a major impact on Zen as it was practiced in the 20th century, both in Japan and abroad.
Source: “Soen Nakagawa”, English Wikipedia (CC BY-SA 4.0), excerpt