Hideki Yukawa

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Hideki Yukawa
Native name 湯川 秀樹
Born (1907-01-23)23 January 1907
Tokyo, Japan
Died 8 September 1981(1981-09-08) (aged 74)
Kyoto, Japan
Nationality Japan
Alma mater Kyoto Imperial University,Osaka Imperial University
Spouse(s) Sumi Yukawa
Children 2 Sons
Scientific career
Fields Theoretical physics
Institutions Osaka Imperial University
Kyoto Imperial University
Imperial University of Tokyo
Institute for Advanced Study
Columbia University
Academic advisors Kajuro Tamaki
Doctoral students Mendel Sachs
Influences Enrico Fermi

Hideki Yukawa ForMemRS[1] FRSE (湯川 秀樹, Yukawa Hideki, 23 January 1907 – 8 September 1981), was a Japanese theoretical physicist and the first Japanese Nobel laureate.


Physics is a science that has made rapid progress in the twentieth century... I desire, as I did in the past, to be a traveler in a strange land and a colonist in a new country. (from the foreword to his autobiography)

He was born as Hideki Ogawa in Tokyo and grew up in Kyoto with two older brothers, two older sisters, and two younger brothers.[2] He read the Confucian Doctrine of the Mean, and later Lao-Tzu and Chuang-Tzu. His father, for a time, considered sending him to technical college rather than university since he was "not as outstanding a student as his older brothers". However, when his father broached the idea with his middle school principal, the principal praised his "high potential" in mathematics and offered to adopt Ogawa himself in order to keep him on a scholarly career. At that, his father relented.

Ogawa decided against becoming a mathematician when in high school; his teacher marked his exam answer as incorrect when Ogawa proved a theorem but in a different manner than the teacher expected.[2] He decided against a career in experimental physics in college when he demonstrated clumsiness in glassblowing, a requirement for experiments in spectroscopy.[2]

In 1929, after receiving his degree from Kyoto Imperial University, he stayed on as a lecturer for four years. After graduation, he was interested in theoretical physics, particularly in the theory of elementary particles. In 1932, he married Sumi Yukawa (スミ). In accordance with Japanese customs of the time, since he came from a family with many sons but his father-in-law Genyo had none, he was adopted by Genyo and changed his family name from Ogawa to Yukawa.[2] The couple had two sons, Harumi and Takaaki. In 1933 he became an assistant professor at Osaka University, at 26 years old.

In 1935 he published his theory of mesons, which explained the interaction between protons and neutrons, and was a major influence on research into elementary particles.[3] In 1940 he became a professor in Kyoto University. In 1940 he won the Imperial Prize of the Japan Academy, in 1943 the Decoration of Cultural Merit from the Japanese government. In 1949 he became a professor at Columbia University, the same year he received the Nobel Prize in Physics, after the discovery by Cecil Frank Powell, Giuseppe Occhialini and César Lattes of Yukawa's predicted pi meson in 1947. Yukawa also worked on the theory of K-capture, in which a low energy electron is absorbed by the nucleus, after its initial prediction by G. C. Wick.[4]

[Once I had published my seminal 1934 paper on particle interaction] I felt like a traveler who rests himself at a small tea shop at the top of a mountain slope. At that time I was not thinking about whether there were any more mountains ahead. [conclusion of his autobiography]

Yukawa became the first chairman of Yukawa Institute for Theoretical Physics in 1953. He received a Doctorate, honoris causa, from the University of Paris and honorary memberships in the Royal Society,[1] Royal Society of Edinburgh, the Indian Academy of Sciences, the International Academy of Philosophy and Sciences[citation needed], and the Pontificia Academia Scientiarum.

He was an editor of Progress of Theoretical Physics,[5] and published the books Introduction to Quantum Mechanics (1946) and Introduction to the Theory of Elementary Particles (1948).

In 1955, he joined ten other leading scientists and intellectuals in signing the Russell–Einstein Manifesto, calling for nuclear disarmament.

Yukawa retired from Kyoto University in 1970 as a Professor Emeritus. Owing to increasing infirmity, in his final years he appeared in public in a wheelchair. He died at his home in Sakyo-ku, Kyoto, on 8 September 1981 from pneumonia and heart failure, aged 74. His tomb is in Higashiyama-ku, Kyoto.

Solo violinist Diana Yukawa (ダイアナ湯川) is a relative of Hideki Yukawa.[citation needed]



  • Profiles of Japanese science and scientists, 1970 – supervisory editor: Hideki Yukawa (1970)
  • Creativity and intuition: a physicist looks at East and West by Hideki Yukawa; translated by John Bester (1973)
  • Scientific works (1979)
  • Tabibito (旅人) – The Traveler by Hideki Yukawa; translated by L. Brown & R. Yoshida (1982), ISBN 9971950103

See also


  1. ^ a b c d Kemmer, N. (1983). "Hideki Yukawa. 23 January 1907-8 September 1981". Biographical Memoirs of Fellows of the Royal Society. 29: 660–676. doi:10.1098/rsbm.1983.0023. JSTOR 769816. 
  2. ^ a b c d Yukawa, Hideki (1982). Tabibito (旅人) = The Traveler. World Scientific. pp. 46–47 & 118; 121–123; 10; Foreword; 141 & 163. ISBN 9971950103. Retrieved 2016-08-14. 
  3. ^ H. Yukawa (1935). "On the Interaction of Elementary Particles" (PDF). Proc. Phys. Math. Soc. Jap. 17 (48). 
  4. ^ pp. 11–12, "K-Electron Capture by Nuclei", Emilio Segré, chapter 3 in Discovering Alvarez: selected works of Luis W. Alvarez, with commentary by his students and colleagues, Luis W. Alvarez and W. Peter Trower, University of Chicago Press, 1987, ISBN 0-226-81304-5.
  5. ^ Yukawa Institute for Theoretical Physics; Gakkai, Nihon Butsuri (1946). Progress of Theoretical Physics. Kyoto: Yukawa Institute for Theoretical Physics and Physical Society of Japan. OCLC 44519062. Archived from the original on 2002-02-03. Retrieved 2008-03-03. 

External links

  • Hideki Yukawa - Nobel Biography
  • About Hideki Yukawa
  • The short film "Yukawa Story (1954)" is available for free download at the Internet Archive
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