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Anania Shirakatsi ((アルメニア語:Անանիա Շիրակացի ), (:ɑnɑˈnjɑ ʃiɾɑkɑˈt͡sʰi), also known as Ananias of Shirak; 610–685 AD) was an Armenian philosopher, mathematician, astronomer, geographer and alchemist. Historian Robert H. Hewsen describes him as "Armenia's First Scientist".〔 The dedication page states: "Dedicated to Ananias of Shirak Armenia's First Scientist"〕 He is commonly attributed to having written ''Ashkharatsuyts'' (''Geography''). ==Life== Scholars do not agree on where Anania was born. Some historians believe that he was born in Shirakavan; others, that the village of Anania in Shirak or the city of Ani was his birthplace.〔Greenwood, Tim. "A Reassessment of the Life and Mathematical Problems of Anani Širakac'i." ''Revue des Études Arméniennes'', 33 (2011), pp. 131-86.〕 〔 Tumanyan, Benik, Artashes A. Matevosyan, Vazgen K. Chaloyan, Ashot A. Abrahamyan and Nikoghos Tahmizyan. ''«Անանիա Շիրակացի»'' (Anania Shirakatsi). Armenian Soviet Encyclopedia. vol. i. Yerevan: Armenian Academy of Sciences, 1974, pp. 362-364.〕 Unlike many other notable figures, Anania left behind an autobiography. It is known that he was the son of John (Hovhannes) of Shirak and possibly a member of the noble Kamsarakan or Arsharuni princes of the region.〔Hewsen, Robert H. "(Science in Seventh-Century Armenia: Ananias of Širak )," ''Isis'', vol. 59, No. 1, (Spring, 1968), p. 34.〕 It is believed that he received his primary education at a school named Dprevank', and that from a very early age he found himself attracted to mathematics.〔 He left Armenia and traveled abroad for eleven years in the hopes of getting a better education. Upon the recommendation of several of his friends who were returning from Constantinople, he decided to find a suitable teacher in Trebizond in the Byzantine Empire. There he met and fell under the tutelage of a renowned Greek scholar who spoke Armenian, Tychikos, and spent eight years learning mathematics there.〔Approximately one third of Anania's autobiography is devoted to Tychikos' life. A brief biography is given by Hewsen in "Seventh-Century Armenia", p. 35.〕 Anania profited greatly from his mentor's teachings, as evidenced from the writings in his autobiography, "() acquired a perfect knowledge of mathematics. In addition, he also learned a few elements of other sciences."〔Hachikyan et al. ''Heritage of Armenian Literature'', p. 56.〕 He left Byzantium and returned to his homeland in 651, determined to spread his knowledge among his fellow Armenians, opening a school that taught the quadrivium and authoring textbooks to educate his students.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Anania Shirakatsi」の詳細全文を読む スポンサード リンク
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