Hayashi, Senjuro,1876–1943, Japanese army officer and political leader, b. Kanazawa, Ishikawa prefecture. After graduating from the Imperial Japanese Army Academy (1897) and the Army War College (1903), he took part in the attack on Port Arthur during the Russo Japanese warRusso-Japanese War,
1904–5, imperialistic conflict that grew out of the rival designs of Russia and Japan on Manchuria and Korea. Russian failure to withdraw from Manchuria and Russian penetration into N Korea were countered by Japanese attempts to negotiate a division of
..... Click the link for more information. and held various positions at the army academy. Hayashi was the Japanese army representative to the League of Nations (1923–24), commander in chief of the Chosen Army in Korea (1930–32), a member of the Supreme War Council (1932–34, 1935–36), and army minister (1934–35). After a brief term (Feb.–June, 1937) as prime minister, Hayashi served (1940–41) on the privy council of Japan.