Sanshirō Ishikawa (石川三四郎; 1876–1956) was a Japanese Christian, socialist, and anarcho-syndicalist who was influential in the Japanese anarchist movement during the 20th century. He wrote under the pen-name Asahiyama and was a contributor of first Japanese socialist women's newspaper, Sekai Fujin.
Source: “Ishikawa Sanshirō”, English Wikipedia (CC BY-SA 4.0), excerpt