{{Infobox scientist | name = Jules Andrade | image = Andrade, Jules (par Chalot).jpg | birth_date = {{birth date|df=y |1857|9|4}} | birth_place = Paris, France | death_date = {{death date and age|df=y|1933|2|25|1857|9|4}} | death_place = Brighton, France | citizenship = France | nationality = | fields = | workplaces = | patrons = | education = | alma_mater = | thesis_title = Sur le mouvement d'un corps soumis à l'attraction newtonienne de deux corps fixes et sur l'extension d'une propriété des mouvements keplériens | thesis_url = https://patrimoine.sorbonne-universite.fr/idurl/1/1729 | thesis_year = 1890 | doctoral_advisor = | academic_advisors = | doctoral_students = | notable_students = | known_for = | influences = | influenced = | awards = Poncelet Prize | spouse = <!--(or | spouses = )--> | partner = <!--(or | partners = )--> | children = | signature = <!--(filename only)--> | signature_alt = | footnotes = }} '''Jules Frédéric Charles Andrade''' (4 September 1857, Paris – 25 February 1933, Brighton near Cayeux-sur-Mer) was a French physicist, mathematician and horologist. He won the Poncelet Prize for 1917.<ref>{{cite journal|title=Séance du 19 décembre|journal=Le Moniteur Scientifique du Docteur Quesneville|date=February 1905|pages=47–48|url=http://babel.hathitrust.org/cgi/pt?id=uc1.c2557147;view=1up;seq=55}}</ref>

==Career== After graduation from l’École polytechnique and military service in the artillery, he became a professor at the University of Rennes and later at the University of Montpellier.<ref>Léon Lecornu: [http://visualiseur.bnf.fr/Visualiseur?Destination=Gallica&O=NUMM-3148 ''Notice nécrologique sur Jules Andrade.''] In: ''Comptes rendus hebdomadaires des séances de l'Académie des sciences'' (1933), T196(12), {{p.|56}}.</ref> On 3 June 1899 he was an expert witness for Alfred Dreyfus in the famous trial during the Dreyfus Affair. He was a professor for 26 years at the ''Institut de Chronométrie'' at the University of Besançon. Andrade did research related to mechanical clocks.<ref>[http://www.fhs.ch/berner/?l=de&q=Andrade%20%28Jules%29 G. A. Berner: ''Illustriertes Fachlexikon der Uhrmacherei'', Stichwort ''Andrade, Jules'']</ref><ref>[http://watch-wiki.org/index.php?title=Andrade,_Jules Jules Andrade auf Watch-Wiki.org]</ref>

Andrade was an Invited Speaker of the ICM in 1897 at Zürich, in 1904 at Heidelberg, in 1908 at Rome,<ref>{{cite book|author=Andrade, J.|chapter=Sur une nouvelle méthode de mesure des frottements|editor=G. Castelnuovo|title=Atti del IV Congresso Internazionale dei Matematici (Roma, 6–11 Aprile 1908)|year=1909|volume=3|pages=79–80|chapter-url=http://www.mathunion.org/ICM/ICM1908.3/Main/icm1908.3.0079.0080.ocr.pdf}} [https://babel.hathitrust.org/cgi/pt?id=iau.31858027749682;view=1up;seq=91 hathitrust link]</ref> and in 1924 at Toronto.

==Works== * ''Chronométrie'' (1908) * ''Le mouvement, les mesures du temps et de l'étendue'' (1911) * ''Les organes réglants des chronomètres'' (1920) * ''Horlogerie et chronométrie'' (1924) * ''Mécanique Physique'', Nabu Press, Reprint 2010, {{ISBN|978-1148526980}} * [http://catalog.hathitrust.org/Record/000384341 ''Leçons de Mécanique Physique''], Nabu Press, Reprint 2010, {{ISBN|978-1142270735}} * ''La géometrie naturelle en deux livres''

==References== {{reflist}}

{{Authority control}}

{{DEFAULTSORT:Andrade, Jules}} Category:French clockmakers Category:19th-century French artisans Category:20th-century French mathematicians Category:20th-century French physicists Category:Academic staff of the University of Rennes Category:1857 births Category:1933 deaths

{{France-scientist-stub}}