Thomas Pereira or Tomás Pereira (1 November 1645 – 1708), also known as Tomé Pereira, was a

Portuguese Portuguese may refer to: * anything of, from, or related to the country and nation of Portugal ** Portuguese cuisine, traditional foods ** Portuguese language, a Romance language *** Portuguese dialects, variants of the Portuguese language ** Portu ...

Jesuit , image = Ihs-logo.svg , image_size = 175px , caption = ChristogramOfficial seal of the Jesuits , abbreviation = SJ , nickname = Jesuits , formation = , founders ...

, mathematician and scientist who worked as a missionary in

Qing China The Qing dynasty ( ), officially the Great Qing,, was a Manchu people, Manchu-led Dynasties in Chinese history, imperial dynasty of China and the last orthodox dynasty in Chinese history. It emerged from the Later Jin (1616–1636), La ...

. Pereira was born in

Vila Nova de Famalicão Vila Nova de Famalicão () is a Portuguese town with a population of approximately 133,048 inhabitants () in an area of 201,59 km2, subdivided into 49 parishes (Administrative Division of 11 Unions of Parishes and 23 Parish Councils,). Insert ...

. He arrived in China in 1672 and first stayed in the Portuguese colony of Macau, where he was enrolled in the University College of St. Paul. Pereira was later sent to

Beijing } Beijing ( ; ; ), alternatively romanized as Peking ( ), is the capital of the People's Republic of China. It is the center of power and development of the country. Beijing is the world's most populous national capital city, with over 21 ...

to work in the court of the

Kangxi Emperor The Kangxi Emperor (4 May 1654– 20 December 1722), also known by his temple name Emperor Shengzu of Qing, born Xuanye, was the third emperor of the Qing dynasty, and the second Qing emperor to rule over China proper, reigning from 1661 to 1 ...

, where he stayed during most of his career. In 1689, the Kangxi Emperor sent Pereira and his colleague

Jean-François Gerbillon Jean-François Gerbillon (4 June 1654, Verdun, France – 27 March 1707, Peking, China) was a French missionary who worked in China. He entered the Society of Jesus, 5 Oct, 1670, and after completing the usual course of study taught grammar and ...

to interpret at the negotiations between Qing China and the

Russian Empire The Russian Empire was an empire and the final period of the Russian monarchy from 1721 to 1917, ruling across large parts of Eurasia. It succeeded the Tsardom of Russia following the Treaty of Nystad, which ended the Great Northern War. ...

Nerchinsk Nerchinsk ( rus, Не́рчинск; bua, Нэршүү, ''Nershüü''; mn, Нэрчүү, ''Nerchüü''; mnc, m=, v=Nibcu, a=Nibqu; zh, t=涅尔琴斯克（尼布楚）, p=Niè'ěrqínsīkè (Níbùchǔ)) is a town and the administrative ce ...

, which eventually resulted in the

Treaty of Nerchinsk The Treaty of Nerchinsk () of 1689 was the first treaty between the Tsardom of Russia and the Qing dynasty of China. The Russians gave up the area north of the Amur River as far as the Stanovoy Range and kept the area between the Argun River ...

. Between 1688 and 1694, Pereira and

Antoine Thomas Antoine Thomas (25 January 1644 – 29 June 1709) was a Jesuit priest from the Spanish Netherlands, and missionary and astronomer in Qing China. His Chinese name was 安多. Early life Born in Namur, Belgium in 1644, Thomas joined the Socie ...

were unofficial directors of the imperial observatory in Beijing as the actual director was not in China at the time. He was buried in the Jesuits'

Zhalan Cemetery Zhalan Cemetery ( zh, 滕公栅栏; zh, p=ténggōng zhàlan) is a former Jesuit burial ground in Beijing. It was initially established in the late Ming Dynasty for the burial of Matteo Ricci. The current setup is a restoration using origin ...

in Beijing.

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