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Christiaan Huygens, FRS ( or ; ) ((ラテン語:Hugenius)) (14 April 1629 – 8 July 1695) was a prominent Dutch mathematician and scientist. He is known particularly as an astronomer, physicist, probabilist and horologist. Huygens was a leading scientist of his time. His work included early telescopic studies of the rings of Saturn and the discovery of its moon Titan, the invention of the pendulum clock and other investigations in timekeeping. He published major studies of mechanics and optics, and a pioneer work on games of chance. ==Early life== Christiaan Huygens was born on 14 April 1629 in The Hague, into a rich and influential Dutch family,〔"Christiaan Huygens." ''Encyclopedia of World Biography''. 2004. Encyclopedia.com. (14 December 2012). http://www.encyclopedia.com/doc/1G2-3404703173.html〕〔http://www.saburchill.com/HOS/astronomy/016.html〕 the second son of Constantijn Huygens. Christiaan was named after his paternal grandfather.〔"Huygens, Christiaan (Also Huyghens, Christian)." ''Complete Dictionary of Scientific Biography''. 2008. Encyclopedia.com. (14 December 2012). http://www.encyclopedia.com/doc/1G2-2830902105.html〕〔R. Dugas and P. Costabel, "Chapter Two, The Birth of a new Science" in ''The Beginnings of Modern Science'', edited by Rene Taton, 1958,1964, Basic Books, Inc.〕 His mother was Suzanna van Baerle. She died in 1637, shortly after the birth of Huygens' sister.〔''Strategic Affection? Gift Exchange in Seventeenth-Century Holland'', by Irma Thoen, pg 127〕 The couple had five children: Constantijn (1628), Christiaan (1629), Lodewijk (1631), Philips (1632) and Suzanna (1637).〔(Constantijn Huygens, Lord of Zuilichem (1596–1687), by Adelheid Rech )〕 Constantijn Huygens was a diplomat and advisor to the House of Orange, and also a poet and musician. His friends included Galileo Galilei, Marin Mersenne and René Descartes.〔''The Heirs Of Archimedes: Science and the Art Of War Through the Age of Enlightenment, by Brett D. Steele, pg. 20〕 Huygens was educated at home until turning sixteen years old. He liked to play with miniatures of mills and other machines. His father gave him a liberal education: he studied languages and music, history and geography, mathematics, logic and rhetoric, but also dancing, fencing and horse riding.〔〔〔(entoen.nu: Christiaan Huygens 1629–1695 Science in the Golden Age )〕 In 1644 Huygens had as his mathematical tutor Jan Jansz de Jonge Stampioen, who set the 15-year-old a demanding reading list on contemporary science. Descartes was impressed by his skills in geometry.〔 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「Christiaan Huygens」の詳細全文を読む スポンサード リンク
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