Fukumoto Kazuo (Japanese: 福本 和夫, Hepburn: Fukumoto Kazuo; 4 July 1894 – 16 November 1983) was a Japanese Marxist and one of the most important theoreticians of the Japanese Communist Party during the 1920s.
Source: “Fukumoto Kazuo”, English Wikipedia (CC BY-SA 4.0), excerpt