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," Father Paul is known for having developed extensive tables for converting traditional Japanese era dates into Gregorian calendar equivalents NengoCalc (University of Tübingen), Tsuchihashi conversion tables — compare, e.g., Calendrical Time Conversion TableTotman, Conrad D. (1980). 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.

Career After completing studies in Paris, Tsuchihashi was assigned to Shanghai and the observatory at She Shan Hill (Zose).Vallina, Agustín Udías. (2003). In this period, his work focused on the movement of asteroids. He also taught mathematics at the Jesuit Aurora University in Xujiahui.Vallina,

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 Order of the Sacred Treasure

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. WorldCat Identities: 関孝和 ca. 1642-1708

, 1952 OCLC 001291275

Notes

References Totman, Conrad D. (1980). The Collapse of the Tokugawa Bakufu, 1862-1868. Honolulu: University of Hawaii Press. ; OCLC 185964275 Webb, Herschel and Marleigh Grayer Ryan. (1994). Research in Japanese Sources: a Guide. Ann Arbor, Michigan: University of Michigan Press. ; OCLC 29913782

External links Online Tsuchihashi conversion program, NengoCalc (University of Tübingen)