Helmet (second row, first from left) worn by activists of the Japanese Council Communist organization, Socialist Workers' League (Sharōdō) led by Nakamura Tsuyoshi and the Communist Student League (its student wing).
Nakamura Tsuyoshi. Japanese New Left Theorist. A founder of the Japanese New Left organization "Socialist Workers' League" [Sharōdō] and a theorist of Council Communism [Hyogi-kai Kyōsan Shugi], Tsuyoshi dedicated himself to the pursuit of a council revolution in post-war Japan.