Paul Tsuchihashi
{{nihongo|Paul Yachita Tsuchihashi|土橋 八千太|Tsuchihashi Yachita|4 December 1866 – 3 March 1965}} {{post-nominals|post-noms=SJ}} was a Japanese Roman Catholic priest, mathematician, astronomer, Sinologist, lexicographer, academic and administrator."98-Year-Old Jesuit Priest, Born a Samurai Warrior, Dies at Tokyo University," {{Google books|09kDAAAAMBAJ|Black Belt (US). Vol. 3, No. 7 (July 1965), p. 60.|page=60}} Father Paul is known for having developed extensive tables for converting traditional Japanese era dates into Gregorian calendar equivalents[http://web.me.com/meyer.eva/www.yukikurete.de/nengo_calc.htm NengoCalc] (University of Tübingen), [http://web.me.com/meyer.eva/www.yukikurete.de/nengo_db.htm Tsuchihashi conversion tables] — compare, e.g., [https://books.google.com/books?id=tMFPbDrEPtkC&dq=tsuchihashi+conversion&pg=PA484 Calendrical Time Conversion Table]Totman, Conrad D. (1980). {{Google books|tMFPbDrEPtkC|The Collapse of the Tokugawa Bakufu, 1862-1868, p. 484.|page=484}} which is derived from a formula for determining the numbered date in the Japanese month.Webb, Herschel et al. (1994). Research in Japanese Sources: a Guide, pp. 20-27.
Biography
Tsuchihashi was born in Suwa, Nagano on April 12, 1866. He entered the Jesuits on September 7, 1888, was ordained a priest on August 24, 1901, and professed final vows on February 2, 1905.{{cite web | url=https://jesuitonlinenecrology.bc.edu/catalog/98282 | title=Tsuchihashi, Paulus y. - Jesuit Online Necrology }}
Career
After completing studies in Paris, Tsuchihashi was assigned to Shanghai and the observatory at She Shan Hill (Zose).Vallina, Agustín Udías. (2003). {{Google books|JeDZS_WrOrMC|Searching the Heavens and the Earth: the History of Jesuit Observatories, p. 278.|page=278}} In this period, his work focused on the movement of asteroids. He also taught mathematics at the Jesuit Aurora University in Xujiahui.Vallina, {{Google books|JeDZS_WrOrMC|p. 164.|page=164}}
When Sophia University was established in Tokyo in 1913, he became one of the members of the teaching faculty. He taught mathematics and Chinese literature. He was Rector of the university from 1940 until the end of the war years.
Honors
Selected works
In a statistical overview derived from writings by and about Paul Tsuchihashi, OCLC/WorldCat encompasses roughly 10+ works in 20 publications in 3 languages and 200+ library holdings.[http://www.oclc.org/research/activities/identities/default.htm WorldCat Identities]: [http://www.worldcat.org/identities/lccn-n84-106242 関孝和 ca. 1642-1708]
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- {{nihongo|Japanese chronological tables from 601 to 1872|邦曆西曆對照表: 自推古九年至明治五年|Hōreki seireki taishōhyō: Suiko kyūnen yori Meiji gonen ni itaru}}, 1952 [https://www.worldcat.org/oclc/001291275 OCLC 001291275]
Notes
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References
- Totman, Conrad D. (1980). The Collapse of the Tokugawa Bakufu, 1862-1868. Honolulu: University of Hawaii Press. {{ISBN|9780824806149}}; [https://www.worldcat.org/oclc/185964275 OCLC 185964275]
- Webb, Herschel and Marleigh Grayer Ryan. (1994). Research in Japanese Sources: a Guide. Ann Arbor, Michigan: University of Michigan Press. {{ISBN|9780939512652}}; [https://www.worldcat.org/oclc/29913782 OCLC 29913782]
External links
- Online Tsuchihashi conversion program, [http://web.me.com/meyer.eva/www.yukikurete.de/nengo_calc.htm NengoCalc] (University of Tübingen)
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Category:Academic staff of Sophia University
Category:Japanese lexicographers
Category:Recipients of the Order of the Sacred Treasure
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