Tokio Takeuchi
This sandbox is in the article namespace. Either move this page into your userspace, or remove the {{User sandbox}} template. Tokio Takeuchi (Japanese: 竹内時男; 26 October 1894 - 24 April 1944) was a Japanese physicist.
Life[1]
Tokio Takeuchi was born on 26 October 1894 in Kanazawa city. After graduating from the physics department of the University of Tokyo in 1918, he started teaching at the Tokyo Higher Technical School in 1919 (he also had a short career as an engineer at Mitsubishi Shipbuilding), and later in 1932 became assistant professor at the Tokyo Institute of Technology. From 1928 to 1930 he visited Europe for research; in France he studied quantum mechanics under the supervision of Louis de Broglie[2][3]. On 24 April 1944, he died in Tokyo due to vertebral osteolysis[4].
Work
Physical cosmology
Takeuchi studied general relativistic cosmology in the 1930s, which include the interpretation of the Hubble-Lemaître law as a consequence of the varying-speed-of-light hypothesis[5], and construction of an eternally oscillating cosmological model that has no initial singularity[6]. These papers had attracted little attention for more than 70 years until being discovered by a Danish historian of science Helge Kragh[7][8].
References
- ^ 昭和人名辞典 [Biographical dictionary of Japanese in the Showa era] (in Japanese). Tokyo: Nihon Tosho Center. 1987. ISBN 4820506935.
- ^ Tokio Takeuchi. "総力戦は科学戦 ドイツの先覚に学べ" [Total war is science war: Learn from the pioneer country of Germany]. Kobe University Library Digital Archive, Newspaper Clipping Collection, Osaka Mainichi Shimbun 1939.6.5-1939.6.16 (in Japanese). Retrieved 7 March 2020.
- ^ Tokio Takeuchi. "パリの諸研究所" [Research institutes in Paris]. Kobe University Library Digital Archive, Newspaper Clipping Collection, Chugai Shogo Simpo 1935.11.17-1935.11.19 (in Japanese). Retrieved 8 March 2020.
- ^ "竹内時男氏死去" [Obituary Tokio Takeuchi]. Yomiuri Shimbun (in Japanese). 27 April 1944.
- ^ Takeuchi, Tokio (1931). "Über die Abnahme der Lichtgeschwindigkeit". Zeitschrift für Physik. 69 (11–12): 857–858. Bibcode:1931ZPhy...69..857T. doi:10.1007/BF01339470.
- ^ Takeuchi, Tokio (1931). "On the Cyclic Universe". Proceedings of the Physico-Mathematical Society of Japan. 13 (6): 166–177. doi:10.11429/ppmsj1919.13.6_166.
- ^ Kragh, Helge (2006). "Cosmologies with varying speed of light: A historical perspective". Studies in History and Philosophy of Modern Physics. 37 (4): 726–737. Bibcode:2006SHPMP..37..726K. doi:10.1016/j.shpsb.2006.04.004.
- ^ Kragh, Helge (2011). "Early dynamical world models: A historical review". The Role of Astronomy in Society and Culture, Proceedings of the International Astronomical Union, IAU Symposium. Vol. 260. pp. 182–188. Bibcode:2011IAUS..260..182K. doi:10.1017/S1743921311002262.
Tokio Takeuchi
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