1900s: 732 people
Makoto Usami (宇佐美洵, Usami Makoto; February 5, 1901 – February 19, 1983) was a Japanese businessman, central banker, the…
Makoto Usami (宇佐美洵, Usami Makoto; February 5, 1901 – February 19, 1983) was a Japanese businessman, central banker, the 21st Governor of the Bank of Japan (BOJ).
Vice-Admiral Asaakira, Prince Kuni (久邇宮 朝融王, Kuni-no-miya Asaakira-ō; 2 February 1901 – 7 December 1959), was third…
Vice-Admiral Asaakira, Prince Kuni (久邇宮 朝融王, Kuni-no-miya Asaakira-ō; 2 February 1901 – 7 December 1959), was third head of the Kuni-no-miya, a collateral branch of the Japanese imperial family and vice admiral in the Japanese Imperial Navy during World War II. He was the elder brother of Empress Kōjun (Nagako), the consort of Emperor Shōwa (Hirohito), and thus a maternal uncle to the Emperor Emeritus Akihito.
Shinkichi Takahashi (高橋 新吉, Takahashi Shinkichi; 1901 – 1987) was a Japanese poet. He was one of the pioneers of…
Shinkichi Takahashi (高橋 新吉, Takahashi Shinkichi; 1901 – 1987) was a Japanese poet. He was one of the pioneers of Dadaism in Japan. According to Makoto Ueda, he is also the only major Zen poet of modern Japanese literature. He was born on Shikoku. His Collected Poems won the Japanese Ministry of Education Prize for Art.
Minoru Takano (高野実, Takano Minoru; January 27, 1901 – September 13, 1974) was a Japanese trade union leader. He served…
Minoru Takano (高野実, Takano Minoru; January 27, 1901 – September 13, 1974) was a Japanese trade union leader. He served as the first secretary-general of the General Council of Trade Unions of Japan (Sōhyō) from 1951 to 1955. A charismatic figure, Takano succeeded in instilling a wide-ranging social activism into Sōhyō's organizational culture.
Morizo Ishidate (石館守三) (January 24, 1901 – July 18, 1996) was a Japanese doctor of pharmacy who served as the 16th…
Morizo Ishidate (石館守三) (January 24, 1901 – July 18, 1996) was a Japanese doctor of pharmacy who served as the 16th Director General of Japan's National Institute of Health Sciences (NIHS), and a pioneer in treating leprosy. The Federation of Asian Pharmaceutical Associations (FAPA) named the FAPA Ishidate Award in his honor for his contributions to the field of pharmacy.
Tomoyoshi Murayama (村山 知義, Murayama Tomoyoshi; 18 January 1901 – 22 March 1977) was a Japanese artist, play writer…
Tomoyoshi Murayama (村山 知義, Murayama Tomoyoshi; 18 January 1901 – 22 March 1977) was a Japanese artist, play writer, novelist and drama producer active during the Shōwa period in Japan.
Yoshio Shiga (志賀 義雄, Shiga Yoshio; 12 January 1901 – 6 March 1989) was a member of the Japanese Communist Party.
Toshio Irie (入江 俊郎, Irie Toshio; January 10, 1901 – July 18, 1972) was a Japanese bureaucrat and politician. Born and…
Toshio Irie (入江 俊郎, Irie Toshio; January 10, 1901 – July 18, 1972) was a Japanese bureaucrat and politician. Born and raised in Tokyo, Toshio attended Tokyo University and joined the Home Affairs Ministry on graduation. He became Counselor for the Bureau of Legislation in 1927, and served in various posts there. In 1946, under Yoshida Shigeru Toshio was promoted to Director-General of the Bureau. In this role, he assisted in drafting the reforms to the post-war Constitution of Japan, and served on the Cabinet's committee for dealing with legislative problems. After the enactment of the new constitution, Toshio was appointed to the House of Peers, and two years later he was promoted to Commissioner General of the House of Representatives' Legislative Bureau. He later served as a Justice of the Supreme Court of Japan from 1952 to 1970, the longest recorded tenure in that office. After his retirement from public office in 1971, Toshio became a lecturer at Komazawa University. He died the following year.
Takushiro Hattori (服部 卓四郎, Hattori Takushirō; January 2, 1901 – April 30, 1960) was an Imperial Japanese Army officer…
Takushiro Hattori (服部 卓四郎, Hattori Takushirō; January 2, 1901 – April 30, 1960) was an Imperial Japanese Army officer and government official. During World War II, he alternately served as the chief of the Army General Staff's Operations Section and Secretary to Prime Minister Hideki Tojo. After the war ended, he served as an adviser on military matters to the postwar Japanese government.
Katsundo Kosaka (1901 – 1953) was a Japanese painter. His work was part of the painting event in the art competition at…
Katsundo Kosaka (1901 – 1953) was a Japanese painter. His work was part of the painting event in the art competition at the 1932 Summer Olympics.
Fujio Shido (志度 藤雄, Shido Fujio; 1901–1986) was a Japanese chef who played an important role in introducing French…
Fujio Shido (志度 藤雄, Shido Fujio; 1901–1986) was a Japanese chef who played an important role in introducing French cuisine to Japan. When he was in his early 20s, he stowed away on a ship going to London, where he was deported. However, on his trip back to Japan, he escaped the ship when it stopped in Marseille, eventually making his way to Paris. There he studied at the Le Cordon Bleu cooking school. After World War II, he returned to Japan and opened a series of restaurants. In the mid-1950s, he served as the cook at the official residence of the Prime Minister of Japan. Shido was a pioneer of French cuisine in Japan, and is credited with creating fond de veau curry and soupe Paris soir, the former of which made him an overnight celebrity in Japan. He wrote books on Japanese and French cuisine, one of which influenced Iron Chef French Hiroyuki Sakai. Sakai studied under Shido for three years.
Motoharu Okamura (岡村 基春, Okamura Motoharu; 1901 – 13 July 1948) was a Japanese naval aviator who served as a test pilot…
Motoharu Okamura (岡村 基春, Okamura Motoharu; 1901 – 13 July 1948) was a Japanese naval aviator who served as a test pilot in the 1930s, and served as the commander of the 341st Tateyama Kōkūtai (Air Group) for kamikaze attacks in June 1944.
Iboshi Hokuto (違星 北斗; 1901 – January 26, 1929) was a Japanese Ainu waka poet and social activist. He devoted his life…
Iboshi Hokuto (違星 北斗; 1901 – January 26, 1929) was a Japanese Ainu waka poet and social activist. He devoted his life to improving the standing of the Ainu people, expressing his ideas as tanka in newspapers and magazines and influencing the Ainu youth of the time. He also circulated around the Ainu kotan (villages) of Hokkaido, preaching of the need for unity and the formation of an Ainu identity. Along with Yaeko Batchelor and Takeichi Moritake, Iboshi is counted as one of the "Three Great Ainu Poets" (アイヌ三大歌人). He has been called the "Takuboku of the Ainu".
Sakae Kubo (久保 栄, Kubo Sakae; December 28, 1900 – March 15, 1958) was a Japanese playwright and director. Kubo studied…
Sakae Kubo (久保 栄, Kubo Sakae; December 28, 1900 – March 15, 1958) was a Japanese playwright and director. Kubo studied and translated German literature at Tokyo Imperial University and then soon he became the disciple of another famous playwright and theatre director, Kaoru Osanai. From his mentor, Kubo had adopted Shingeki theater, a new type of drama that developed in Japan in the early 20th century under the influence of Western-style theater. To honor the death of his teacher, Kubo began to write one of his most famous works, which was The Land of Volcanic Ash: A Play in Two Parts, translated by David Goodman. This play was most recognized for its focus on socialism that was depicted in pre-war Japan. It is seen as realist drama, for it describes the struggles of a reform-minded intellectual in the Hokkaido countryside which took place during the Soviet famine of 1932–33.
Taruho Inagaki (稲垣 足穂, Inagaki Taruho; December 26, 1900 – October 25, 1977) was a Japanese writer.
Ikeda Sueo (Japanese: 池田 末男; December 21, 1900 – August 18, 1945) was a Japanese Army officer. He died defending…
Ikeda Sueo (Japanese: 池田 末男; December 21, 1900 – August 18, 1945) was a Japanese Army officer. He died defending Shumshu during the Soviet invasion of the Kuril Islands in 1945.
Kenichiro Komai (駒井 健一郎, Komai Ken'ichirō; December 17, 1900 – October 2, 1986) was a Japanese business executive, who…
Kenichiro Komai (駒井 健一郎, Komai Ken'ichirō; December 17, 1900 – October 2, 1986) was a Japanese business executive, who served as the third president of Hitachi from 1961 to 1971.
Motoki Tokieda (時枝 誠記, Tokieda Motoki; 1900– 27 October 1967) was a professor of Japanese linguistics at University of…
Motoki Tokieda (時枝 誠記, Tokieda Motoki; 1900– 27 October 1967) was a professor of Japanese linguistics at University of Tokyo. He is noted for developing the Process Theory of Language (言語過程説, gengo katei setsu) and his criticism of Ferdinand de Saussure.
Shigeko Yuki (由起 しげ子, Yuki Shigeko; 2 December 1900 – 30 December 1969) was a Japanese writer and laureate of the…
Shigeko Yuki (由起 しげ子, Yuki Shigeko; 2 December 1900 – 30 December 1969) was a Japanese writer and laureate of the Akutagawa Prize.
Kazuo Onoda (小野田 一雄, Onoda Kazuo; 28 November 1900 – 21 February 1983) was a Japanese freestyle swimmer who competed in…
Kazuo Onoda (小野田 一雄, Onoda Kazuo; 28 November 1900 – 21 February 1983) was a Japanese freestyle swimmer who competed in the 1924 Summer Olympics. He was born in Shizuoka. In 1924 Onoda was eliminated in the first round of the 100 metre freestyle event as well as of the 1500 metre freestyle competition. He was also a member of the Japanese relay team which finished fourth in the 4 × 200 metre freestyle relay event.
Shōichi Miyake (三宅 正一, Miyake Shōichi, 28 November 1900 – 23 May 1982) was a Japanese peasant movement activist and…
Shōichi Miyake (三宅 正一, Miyake Shōichi, 28 November 1900 – 23 May 1982) was a Japanese peasant movement activist and politician who served as Vice Speaker of the House of Representatives from 1976 to 1979.
Fumio Hayashi (林 文雄, Hayashi Fumio; November 26, 1900 – July 18, 1947) was a Japanese physician and leprologist. He…
Fumio Hayashi (林 文雄, Hayashi Fumio; November 26, 1900 – July 18, 1947) was a Japanese physician and leprologist. He worked in Tama Zenshoen Sanatorium, Nagashima Aiseien Sanatorium, Hoshizuka Keiaien Sanatorium and Ooshima Seishoen Sanatorium. He helped with Kensuke Mitsuda, and completed the first lepromin test or Mitsuda skin test.
Kanō Risei (嘉納 履正, Kanō Risei; November 25, 1900 – January 13, 1986) was one of the three sons of Kanō Jigorō, the…
Kanō Risei (嘉納 履正, Kanō Risei; November 25, 1900 – January 13, 1986) was one of the three sons of Kanō Jigorō, the creator of Judo. Kanō Risei was the second president of the International Judo Federation, from 1952 to 1965. He managed the Kōdōkan from 1946 until 1980, when he was succeeded by Kano Yukimitsu.
Kenji Tsukagoshi (塚越 賢爾, Tsukagoshi Kenji; 1900–1943) was a Japanese aviator and explorer. He was navigator on the…
Kenji Tsukagoshi (塚越 賢爾, Tsukagoshi Kenji; 1900–1943) was a Japanese aviator and explorer. He was navigator on the first Japanese-built aircraft to fly from Japan to Europe.
Shirō Akabori (赤堀 四郎 Akahori Shirō), 20 October 1900 – 3 November 1992 in Chihama, Ogasa (now Kakegawa, Shizuoka…
Shirō Akabori (赤堀 四郎 Akahori Shirō), 20 October 1900 – 3 November 1992 in Chihama, Ogasa (now Kakegawa, Shizuoka Prefecture), was a Japanese chemist and university professor, known for the Akabori amino-acid reactions.
Tameichi Hara (原 為一, Hara Tameichi; October 16, 1900 – October 10, 1980) was an Imperial Japanese naval commander…
Tameichi Hara (原 為一, Hara Tameichi; October 16, 1900 – October 10, 1980) was an Imperial Japanese naval commander during the Pacific War and the author of the IJN manual on torpedo attack techniques, notable for his skill in torpedo warfare and night fighting. Hara was the only IJN destroyer captain at the start of World War II to survive the entire war and his memoirs serve as an important source for historians.
Tenrei Ōta (Japanese: 太田 典礼 Ōta Tenrei), born Takeo Ōta (太田 武夫 Ōta Takeo; 1900–1985) was a Japanese…
Tenrei Ōta (Japanese: 太田 典礼 Ōta Tenrei), born Takeo Ōta (太田 武夫 Ōta Takeo; 1900–1985) was a Japanese obstetrician-gynaecologist and politician. He invented the Ōta ring, an early intrauterine device (IUD). Throughout his life, he was an outspoken advocate for contraception, abortion, and euthanasia. Some of his beliefs were rooted in eugenics, and during his time as a member of Japan's House of Representatives, he drafted and co-sponsored the Eugenic Protection Law.
Gishū Nakayama (中山 義秀, Nakayama Gishū; 5 October 1900 – 19 August 1969) was the pen-name of a Japanese writer active in…
Gishū Nakayama (中山 義秀, Nakayama Gishū; 5 October 1900 – 19 August 1969) was the pen-name of a Japanese writer active in Shōwa period Japan. His real name was Yoshihide Takama.
Junzō Inamura (稲村 順三, Inamura Junzō, 30 September 1900 – 21 February 1955) was a Japanese peasant movement activist and…
Junzō Inamura (稲村 順三, Inamura Junzō, 30 September 1900 – 21 February 1955) was a Japanese peasant movement activist and politician who served five terms in the House of Representatives. Active in the prewar proletarian and agrarian movements, he later became a leading figure in the left wing of the Japan Socialist Party and the Left Socialist Party of Japan, helping draft its platform. He died suddenly during the 1955 general election campaign; his elder brother Ryūichi Inamura ran as a replacement candidate and was elected. He used the pen name Susumu Murakami (村上 進).
Toyoaki Horiuchi (Japanese: 堀内 豊秋, Hepburn: Horiuchi Toyoaki; 27 September 1900 – 25 September 1948) was a Japanese…
Toyoaki Horiuchi (Japanese: 堀内 豊秋, Hepburn: Horiuchi Toyoaki; 27 September 1900 – 25 September 1948) was a Japanese Navy officer; his highest rank was daisa (大佐, captain). He was known for the development of naval gymnastics, which were meant to improve the alertness and flexibility of sailors in closed areas of warships and he was known for leading the paratroopers. He was the first jumper during the drop on an airfield 60 km south of Manado, Indonesia, in the Battle of Manado.
Jun Tosaka (Japanese: 戸坂 潤, Hepburn: Tosaka Jun; 27 September 1900 – 9 August 1945) was a Shōwa era Kyoto-trained…
Jun Tosaka (Japanese: 戸坂 潤, Hepburn: Tosaka Jun; 27 September 1900 – 9 August 1945) was a Shōwa era Kyoto-trained Japanese philosopher, intellectual and teacher. Some identify strands of Marxism in his later philosophy. His criticisms of governments and their war policies caused him to end up in prison on various occasions.
Tetsurō Furukaki (20 September 1900 – 8 March 1987) was a Japanese journalist and diplomat.
Sōichi Ōya (大宅 壮一, Ōya Sōichi; 13 September 1900 – 22 November 1970) was a Japanese journalist noted for his research…
Sōichi Ōya (大宅 壮一, Ōya Sōichi; 13 September 1900 – 22 November 1970) was a Japanese journalist noted for his research and commentaries on popular culture.
Mochizuki Yuriko (Japanese: 望月百合子; 1900–2001) was a Japanese anarchist-feminist writer and activist. A leading figure…
Mochizuki Yuriko (Japanese: 望月百合子; 1900–2001) was a Japanese anarchist-feminist writer and activist. A leading figure in the early Japanese feminist movement, she cut her hair short and advocated for women's suffrage, but eventually split from others in the feminist movement over her political views. She joined up with other anarchist-feminists, including Takamure Itsue, in criticising both Marxist feminism and the antifeminism of male anarchists. Following the Japanese invasion of Manchuria, she and other revolutionary feminists moved to Manchukuo, fleeing political repression in Japan. There she established women's schools and criticised the chauvinism displayed by Japanese settler colonists, although she herself played her own role in the expansionism of the Empire of Japan.
Tatsuji Miyoshi (三好 達治, Miyoshi Tatsuji; 23 August 1900 – 5 April 1964) was a Japanese poet, literary critic, and…
Tatsuji Miyoshi (三好 達治, Miyoshi Tatsuji; 23 August 1900 – 5 April 1964) was a Japanese poet, literary critic, and literary editor active during the Shōwa period of Japan. He is known for his lengthy free verse poetry, which often portray loneliness and isolation as part of contemporary life, but which are written in a complex, highly literary style reminiscent of classical Japanese poetry.
Hiroatsu Takata (高田博厚, Takata Hiroatsu; August 19, 1900 – June 17, 1987) was a Japanese sculptor and essayist, who…
Hiroatsu Takata (高田博厚, Takata Hiroatsu; August 19, 1900 – June 17, 1987) was a Japanese sculptor and essayist, who lived for many years in Paris. He had a wide circle of friends in the literary world, and his daughter was once married to Ryūichi Tamura.
Kingo Machimura (町村 金五, Machimura Kingo; 16 August 1900 – 14 December 1992) was a Japanese politician who served as…
Kingo Machimura (町村 金五, Machimura Kingo; 16 August 1900 – 14 December 1992) was a Japanese politician who served as governor of Toyama Prefecture (1941–1943), Governor of Niigata Prefecture (1945) and the second Governor of Hokkaido (1959–1971). He was a member of the Liberal Democratic Party. He was a graduate of the University of Tokyo. He was a recipient of the Order of the Rising Sun. His second son was Nobutaka Machimura, who was twice Minister of Foreign Affairs of Japan and Chief Cabinet Secretary of Japan.
Nabi Tajima (田島 ナビ, Tajima Nabi; 4 August 1900 – 21 April 2018) was a Japanese supercentenarian who was the world's…
Nabi Tajima (田島 ナビ, Tajima Nabi; 4 August 1900 – 21 April 2018) was a Japanese supercentenarian who was the world's oldest living person from 16 September 2017 until her death, and the last surviving person to have been born in the 19th century.
Mumon Yamada (山田 無文, Yamada Mumon; July 16, 1900 – December 24, 1988) was a Rinzai roshi, calligrapher, and former…
Mumon Yamada (山田 無文, Yamada Mumon; July 16, 1900 – December 24, 1988) was a Rinzai roshi, calligrapher, and former abbot of Shōfuku-ji in Kobe, Japan. Mumon was also the former head of the Myōshin-ji branch of the Rinzai school of Japan. His most prominent student (and Dharma heir) is Shodo Harada of Sōgen-ji, an influential master in both Japan and the United States.
Baron Takaharu Mitsui (三井 高陽, Mitsui Takaharu; 10 July 1900 – 19 May 1983) was a Japanese businessman, scholar and…
Baron Takaharu Mitsui (三井 高陽, Mitsui Takaharu; 10 July 1900 – 19 May 1983) was a Japanese businessman, scholar and philatelist. He is considered the "dean of Japanese philately" by many in the philatelic world. He headed one of six main branches of the Mitsui family, of the Mitsui zaibatsu.
Marquis Yoshimaro Yamashina (山階 芳麿, Yamashina Yoshimaro; July 5, 1900 – January 28, 1989) was a Japanese ornithologist.…
Marquis Yoshimaro Yamashina (山階 芳麿, Yamashina Yoshimaro; July 5, 1900 – January 28, 1989) was a Japanese ornithologist. He was the founder of the Yamashina Institute for Ornithology.
Ukichiro Nakaya (中谷 宇吉郎, Nakaya Ukichirō; July 4, 1900 – April 11, 1962) was a Japanese physicist and science essayist…
Ukichiro Nakaya (中谷 宇吉郎, Nakaya Ukichirō; July 4, 1900 – April 11, 1962) was a Japanese physicist and science essayist known for his work in glaciology and low-temperature sciences. He is credited with making the first artificial snowflakes.
Kinsuke Shimada (島田 謹介, Shimada Kinsuke; 1900–1994) was a renowned Japanese photographer.
Asanosuke Matsui (born 18 June 1900, date of death unknown) was a Japanese equestrian. He competed in two events at the…
Asanosuke Matsui (born 18 June 1900, date of death unknown) was a Japanese equestrian. He competed in two events at the 1936 Summer Olympics.
Mamoru Uchida (内田 守, Uchida Mamoru; June 10, 1900 – 1982) was an ophthalmologist who worked for leprosy patients at…
Mamoru Uchida (内田 守, Uchida Mamoru; June 10, 1900 – 1982) was an ophthalmologist who worked for leprosy patients at Kyushu Sanatorium (Kikuchi Keifuen Sanatorium), Nagashima Aiseien Sanatorium, and Matsuoka Hoyoen Sanatorium. He taught leprosy patients tanka, in these sanatoriums. Later, he studied social welfare as a professor at Kumamoto Junior College. He extensively studied the history of leprosy, and presented many documents to the Kumamoto Prefectural Library as Uchida Library; 338 items were shown at an exhibition of Hansen's disease and literature in 2003.
Fuyuhiko Kitagawa (北川 冬彦, Kitagawa Fuyuhiko) (3 July 1900 – 12 April 1990) was a Japanese poet and film critic. His…
Fuyuhiko Kitagawa (北川 冬彦, Kitagawa Fuyuhiko) (3 July 1900 – 12 April 1990) was a Japanese poet and film critic. His real name was Tadahiko Taguro (田畔 忠彦, Taguro Tadahiko). While born in Shiga Prefecture, he was raised in Manchukuo in China due to his father's work on the South Manchurian Railway, and then graduated from Tokyo University. He began publishing his own poetry in Manchukuo in 1924 and his work was influenced by that colonial context. His work was praised by Riichi Yokomitsu, and he became a prominent figure in modernist poetry in Japan, pursuing especially prose poetry. Culver describes Kitagawa as instrumental in the early history of Surrealism in Japan through his Japanese translation of Andre Breton's first Manifesto of Surrealism, which appeared in 1929 in Shi to shiron (詩と詩論), nos. 4–5. Kitagawa was also a well-known film critic, one who especially praised the work of Mansaku Itami (the father of Juzo Itami), calling it a new, realistic "prose cinema" (sanbun eiga) in opposition to the old "poetic cinema" (inbun eiga) of Sadao Yamanaka, Daisuke Itō, and others. He was a champion of neorealism in the postwar era. He was a standard-bearer of the Scenario-Literature-Movement. He, Shuzo Takiguchi, Akira Asano and other members formed a group called 'Ten Scenario-Researchers'. They advocated the movement from a standpoint considering a scenario a literary genre.
Seiichi Iwao (岩生 成一, Iwao Seiichi; June 2, 1900 – March 21, 1988) was a Japanese academic, an historian and author. He…
Seiichi Iwao (岩生 成一, Iwao Seiichi; June 2, 1900 – March 21, 1988) was a Japanese academic, an historian and author. He was, for many years, a professor at the University of Tokyo.
Noburō Ōfuji (大藤 信郎, Ōfuji Noburō; June 1, 1900 – July 28, 1961) was a Japanese film director and animator. One of the…
Noburō Ōfuji (大藤 信郎, Ōfuji Noburō; June 1, 1900 – July 28, 1961) was a Japanese film director and animator. One of the most notable auteurs of anime (one of the industry's most prestigious awards, the Mainichi Film Awards' Ōfuji Noburō Award, is named after him), he worked primarily with cutout and silhouette animation. He also made a number of films in traditional animation, using then-expensive, imported cels, while his earliest work known to have survived is a live-action/animated film. He trained under Jun'ichi Kōuchi before starting his own company. He is known for his employment of washi, especially the coloured and patterned Edo chiyogami, which gives his films a distinctively Japanese appearance. He was one of the first Japanese animators to earn international recognition for his work.
Michiko Fujiwara (藤原 道子, Fujiwara Michiko; 26 May 1900 – 26 April 1983) was a Japanese nurse and politician. She…
Michiko Fujiwara (藤原 道子, Fujiwara Michiko; 26 May 1900 – 26 April 1983) was a Japanese nurse and politician. She initially campaigned for her husband, the politician Kenji Yamazaki, but when he returned from the war with a new wife and child she ran against him. She defeated him as a candidate from the Socialist Party of Japan. She would become concerned with fighting child prostitution.
Kōzō Sasaki (佐々木 更三, Sasaki Kōzō; 25 May 1900 – 24 December 1985) was a Japanese socialist agitator and politician. The…
Kōzō Sasaki (佐々木 更三, Sasaki Kōzō; 25 May 1900 – 24 December 1985) was a Japanese socialist agitator and politician. The longtime leader of the left wing of the Japan Socialist Party in the postwar period, he served as chairman of party from 1965 to 1967. Small in stature and possessed of a fiery temper and a thick rural Tōhoku accent, he was a loud-mouthed and charismatic figure nicknamed "Kōzō the Ogre."