Nelson Mandela
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Photographer unknown, published 1942 in Horikawa Toyonaga, Kindai Nihon no kagakusha vol. 2. Source: Portraits of Modern Japanese Historical Figures, National Diet Library, Japan (https://www.ndl.go.jp/portrait/) · Portrait photograph of Umetaro Suzuki, photographer unknown, published in the book Kindai Nihon no kagakusha (Scientists of Modern Japan), volume 2, by Toyonaga Horikawa (Jinbunkaku, Tokyo, 1942), as reproduced in the National Diet Library's digital exhibition 'Portraits of Modern Japanese Historical Figures' (entry for SUZUKI Umetaro, source item NDL Digital Collections pid 1793218). The library's entry names the sitter, and the source book contains a biography chapter on him. The file is the library's published image (1171 x 1418 pixels) downscaled to 991 x 1200 with no cropping and no upscaling; it is a halftone book reproduction, so the grain is that of the print. · Public domain (declared by the National Diet Library for all images in 'Portraits of Modern Japanese Historical Figures'; the photograph was published in Japan in 1942)
scientist · 20th Century
Umetaro Suzuki
1874–1943
Known For
scientificmedicalindustrial
Not yet included in personality matching — the documented evidence doesn't yet cover enough of the personality model. Everything else on this page is fully available.
Trait Constellation
Key Achievements
Japanese agricultural chemist who in 1910 extracted an anti-beriberi substance from rice bran, named aberic acid and later oryzanin (today associated with vitamin B1), founding vitamin research in Japan; scholars note his extract was not pure thiamine and that credit for the discovery remains disputed.
At RIKEN, whose Chemistry Division he directed from 1917, his laboratory's vitamin A work (purified from cod liver oil by his student Katsumi Takahashi in 1922) became RIKEN Vitamin, whose sales covered half of RIKEN's research budget between the wars.
He became the first president of the Agricultural Chemical Society of Japan in 1924, trained many leading scientists, and received the Order of Culture in 1943.
Moments That Reveal Them
He presented his paper on aberic acid to the Chemical Society of Tokyo on 13 December 1910; physicians who held beriberi to be infectious attacked it, even in the newspapers, and Suzuki went back to his laboratory, confirmed his results and published further studies.
This is consistent with a researcher who kept to a contested result under hostile criticism and answered it with more experiments. Persistence
After the 1918 rice-price riots, concerned that rice was being used for sake, he set out to make a synthetic sake from other materials, which RIKEN later produced as RIKEN-shu.
This is consistent with a chemist who turned a national food problem into a research task. Impact Motivation
Turning Points
In 1915 Suzuki was ordered to stop his beriberi research and put his energies into synthesising Salvarsan, which wartime blockade had cut off; two years later he became a chief researcher at the newly founded RIKEN, where his laboratory's vitamin work turned into an industrial product line.
This is consistent with a research career that moved from a university research question into industrially applied chemistry. Cross-Domain Range
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Sources
- Umetaro Suzuki (Q3369717), verified live via the Wikidata API (2026-11-02): English label 'Umetaro Suzuki' (with macron), description 'Japanese agricultural chemist (1874-1943)', Korean label 스즈키 우메타로, birth 7 April 1874 and death 20 September 1943, citizenship Japan. Orientation only; not used as support for any row.
- RIKEN, 'Historical Figures: Umetaro Suzuki' (institutional history page), read in full. CANONICAL SIGNIFICANCE SOURCE: founder of vitamin research in Japan whose most important achievement was the isolation from rice bran of what he named Oryzanin, or vitamin B1, essential for the treatment of beriberi; from 1917 Director of the Chemistry Division of the RIKEN Foundation, where he developed 'RIKEN Vitamin' and the synthetic sake 'RIKEN-Shu', providing RIKEN with an important source of income; he applied his expertise to agricultural chemistry and biochemistry and mentored a great many leading scientists; one of RIKEN's 'Three Taros'. Institutional history written by the employer he helped fund, so its tone is admiring.
- RIKEN Research News, 'Chemists at the front of RIKEN elixir of health and wealth' (3 June 2016), read in full: Suzuki studied under Emil Fischer in Germany, who urged him to focus on research pertinent to Japan; he returned in 1906 thinking about rice and beriberi; he named the anti-beriberi nutrient aberic acid; after the 1918 rice-price riots he set out to make a synthetic sake; as director of RIKEN's chemistry division he set his student Katsumi Takahashi the task of purifying vitamin A, which Takahashi achieved in 1922; sales of RIKEN Vitamin, a venture President Okochi invested in from 1927, covered half of RIKEN's research budget between the wars; he continued with vitamins B6, C, D and E until his death and received the Order of Culture in 1943. Institutional magazine story; admiring, and it credits the commercial strategy to Okochi.
- Japan Patent Office, 'Ten Japanese Great Inventors: Umetaro Suzuki, Vitamin A, Vitamin B1', read in full: he noticed that a component of rice bran was effective in preventing beriberi, whose cause was then unknown, and 'was the first to discover aberic acid, today called vitamin B1' in rice bran, later succeeding in isolating it; with his pupil Katsumi Takahashi he isolated and extracted vitamin A from cod liver oil at RIKEN, sold as 'Riken Vitamins'; through developing outstanding researchers he laid the foundation for vitamin research in Japan. Government honour page; short and celebratory, and its 'first to discover' wording is not used as a claim here.
- National Diet Library, Japan, 'SUZUKI Umetaro', Portraits of Modern Japanese Historical Figures (biographical note by library staff), read: agricultural chemist; entered the Tokyo School of Agriculture and Forestry in 1889; studied at the University of Berlin from 1901; professor at Morioka and from 1907 at the Imperial University of Tokyo; senior researcher at RIKEN from its founding in 1917; first president of the Agricultural Chemical Society of Japan in 1924; extracted vitamin B1 from rice bran while researching the cause of beriberi and named it aberisaure (later oryzanin); received the Order of Culture in 1943. Neutral reference note; used for the career chronology.
- Daiichi Sankyo, 'Dr. Umetaro Suzuki's Relentless Commitment to Research Led to the Discovery of Vitamin B1' (company history story, 29 September 2023), read in full: he earned his agricultural doctorate at 27 and studied in Switzerland and Germany; named the rice-bran component Orizanin in 1910; the company says his discovery was hardly recognized even in Japan because he was an agricultural chemist and not a physician, and that Casimir Funk's same component the following year won the recognition; he advised the predecessors of Daiichi Sankyo on producing Salvarsan (1916) and salicylic acid (1915), was scientific adviser to Sankyo and contributed to the fumigant insecticide Kokuzol; he also developed a synthetic sake and a powdered milk; it quotes him that anyone should be allowed to do what other academics have not done if it benefits the nation and its people and that an inventor should ask an entrepreneur to bring the invention to the world. A company's own heritage page that benefited from his advice; admiring and partly paraphrased.
- Kevin Fujitani (Ohio State University), 'A Child of Many Fathers: The Question of Credit for the Discovery of Thiamine, 1884-1936', in Proceedings of the International Workshop on the History of Chemistry 2015 Tokyo (pp. 90-98 of the proceedings), read in full: scholarly account of Suzuki's work on aberic acid, the 13 December 1910 presentation to the Chemical Society of Tokyo and the January 1911 patent applications, the hostile reception from physicians who held beriberi to be infectious (including a reported remark that if rice bran cured beriberi then drinking urine would too), Suzuki's return to the laboratory and published studies, the 1915 order to turn to Salvarsan synthesis, the August 1911 Zentralblatt abstract and the 1912 Chemical Abstracts remark about Funk; the author concludes Suzuki's oryzanin was not pure thiamine (his degradation products lack its sulfur) but that Suzuki 'took the study of these essential macromolecules from the realm of nutrition to that of chemistry'. Independent scholarly voice and the counter-voice on priority; reads Suzuki's own memoir Kenkyu no Kaiko as a source.