 Sen Katayama

Sen Katayama (片山 潜 "Katayama Sen", December 26, 1859 – November 5, 1933), born Yabuki Sugataro (藪木 菅太郎 "Yabuki Sugatarō"), was an early member of the American Communist Party and co-founder, in 1922, of the Japanese Communist Party.After 1884, he spent most of his life abroad, especially in the United States and the Soviet Union, where he was very active in the international socialist community, and after 1920 the communist community.