Jules Frédéric Charles Andrade (4 September 1857,

Paris Paris () is the capital and most populous city of France, with an estimated population of 2,165,423 residents in 2019 in an area of more than 105 km² (41 sq mi), making it the 30th most densely populated city in the world in 2020. S ...

– 25 February 1933, Brighton near Cayeux-sur-Mer) was a French physicist, mathematician and horologist. He won the

Poncelet Prize The Poncelet Prize (french: Prix Poncelet) is awarded by the French Academy of Sciences. The prize was established in 1868 by the widow of General Jean-Victor Poncelet for the advancement of the sciences. It was in the amount of 2,000 francs (as of ...

for 1917.

Career

After graduation from l’

École polytechnique École may refer to: * an elementary school in the French educational stages normally followed by secondary education establishments (collège and lycée) * École (river), a tributary of the Seine flowing in région Île-de-France * École, Savoi ...

and military service in the artillery, he became a professor at the

University of Rennes The University of Rennes is a public research university which will be officially reconstituted on 1 January 2023 and located in the city of Rennes, in Upper Brittany, France. The University of Rennes has been divided for almost 50 years, before ...

and later at the University of Montpellier. On 3 June 1899 he was an expert witness for

Alfred Dreyfus Alfred Dreyfus ( , also , ; 9 October 1859 – 12 July 1935) was a French artillery officer of Jewish ancestry whose trial and conviction in 1894 on charges of treason became one of the most polarizing political dramas in modern French history. ...

in the famous trial during the

Dreyfus Affair The Dreyfus affair (french: affaire Dreyfus, ) was a political scandal that divided the French Third Republic from 1894 until its resolution in 1906. "L'Affaire", as it is known in French, has come to symbolise modern injustice in the Francop ...

. He was a professor for 26 years at the ''Institut de Chronométrie'' at the

University of Besançon A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. Universities typically offer both undergraduate and postgraduate programs. In the United States, t ...

. Andrade did research related to mechanical clocks. Andrade was an Invited Speaker of the ICM in 1897 at Zürich, in 1904 at Heidelberg, in 1908 at Rome,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,
''Leçons de Mécanique Physique''
Nabu Press, Reprint 2010, * ''La géometrie naturelle en deux livres''

References

French clockmakers 20th-century French mathematicians 20th-century French physicists Academic staff of the University of Rennes 1857 births 1933 deaths {{France-scientist-stub