Jules Jamin
Encyclopedia
Jules Célestin Jamin was a French
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 physicist
Physicist
A physicist is a scientist who studies or practices physics. Physicists study a wide range of physical phenomena in many branches of physics spanning all length scales: from sub-atomic particles of which all ordinary matter is made to the behavior of the material Universe as a whole...

. He was professor of physics
Physics
Physics is a natural science that involves the study of matter and its motion through spacetime, along with related concepts such as energy and force. More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves.Physics is one of the oldest academic...

 at École Polytechnique
École Polytechnique
The École Polytechnique is a state-run institution of higher education and research in Palaiseau, Essonne, France, near Paris. Polytechnique is renowned for its four year undergraduate/graduate Master's program...

 from 1852 to 1881 and received the Rumford Medal
Rumford Medal
The Rumford Medal is awarded by the Royal Society every alternating year for "an outstandingly important recent discovery in the field of thermal or optical properties of matter made by a scientist working in Europe". First awarded in 1800, it was created after a 1796 donation of $5000 by the...

 in 1858 for his work on light
Light
Light or visible light is electromagnetic radiation that is visible to the human eye, and is responsible for the sense of sight. Visible light has wavelength in a range from about 380 nanometres to about 740 nm, with a frequency range of about 405 THz to 790 THz...

. He improved Brewster's
David Brewster
Sir David Brewster KH PRSE FRS FSA FSSA MICE was a Scottish physicist, mathematician, astronomer, inventor, writer and university principal.-Early life:...

 inclined interference plates with the development of the Jamin interferometer
Jamin interferometer
The Jamin interferometer is a type of interferometer, related to the Mach-Zehnder interferometer. It was developed in 1856 by the French physicist Jules Jamin....

.

Biography

Jules Jamin was the son of Antoine-Pierre Jamin, colonel
Colonel
Colonel , abbreviated Col or COL, is a military rank of a senior commissioned officer. It or a corresponding rank exists in most armies and in many air forces; the naval equivalent rank is generally "Captain". It is also used in some police forces and other paramilitary rank structures...

 of the dragoons
Dragoon
The word dragoon originally meant mounted infantry, who were trained in horse riding as well as infantry fighting skills. However, usage altered over time and during the 18th century, dragoons evolved into conventional light cavalry units and personnel...

. As the recipient of a small educational grant from the city of Vouziers for excelling in his studies, he entered the college of Reims
Reims
Reims , a city in the Champagne-Ardenne region of France, lies east-northeast of Paris. Founded by the Gauls, it became a major city during the period of the Roman Empire....

 where he won nine awards in his first year. In 1838 he won the science competition award with honors, and in October of the same year he was accepted on first selection to enter École normale supérieure where he obtained a degree in physical sciences, mathematics and natural sciences. In 1841, he graduated first in the competition of comprehensive physical sciences. He obtained his first position at the college of Caen
Caen
Caen is a commune in northwestern France. It is the prefecture of the Calvados department and the capital of the Basse-Normandie region. It is located inland from the English Channel....

, where he succeeded Paul Desains. After two years, he joined the College Bourbon (today's lycée Condorcet) as a substitute teacher, then in 1844, he joined the College Louis-le-Grand as a teacher. While in Caen, he begun research in support of his thesis on the reflection of light on the surface of metals, for which in 1847 he received a doctorate in Physics.

In 1852 he was appointed professor of physics at the École Polytechnique
École Polytechnique
The École Polytechnique is a state-run institution of higher education and research in Palaiseau, Essonne, France, near Paris. Polytechnique is renowned for its four year undergraduate/graduate Master's program...

, a position he held until March 1881, when Alfred Potier
Alfred Potier
Alfred Potier was a French polymath who contributed to many theoretical and practical fields of science when this was rapidly expanding...

 succeeded him. In 1858 he was awarded the Rumford Medal
Rumford Medal
The Rumford Medal is awarded by the Royal Society every alternating year for "an outstandingly important recent discovery in the field of thermal or optical properties of matter made by a scientist working in Europe". First awarded in 1800, it was created after a 1796 donation of $5000 by the...

 for his work on light and in 1863 he became a professor at the Faculty of Paris, succeeding Despretz Caesar as the associate chair of experimental physics. Based on his lectures at the École Polytechnique, he published a compelling paper titles "General essay on Physics".

In 1868, he joined the French Academy of Sciences
French Academy of Sciences
The French Academy of Sciences is a learned society, founded in 1666 by Louis XIV at the suggestion of Jean-Baptiste Colbert, to encourage and protect the spirit of French scientific research...

 and in the same year he created and headed the Physical Research Laboratory funded by the École pratique des hautes études
École pratique des hautes études
The École pratique des hautes études is a Grand Établissement in Paris, France. It is counted among France's most prestigious research and higher education institutions....

 of which he was also the principal of the studies division.

In 1882, with arrival of a new generation of physicists who came to do research for their doctorates, such as Gabriel Lippmann
Gabriel Lippmann
Jonas Ferdinand Gabriel Lippmann was a Franco-Luxembourgish physicist and inventor, and Nobel laureate in physics for his method of reproducing colours photographically based on the phenomenon of interference....

, Henry Pellat and Anatole Leduc, he replaced Henri Milne Edwards as Dean of the Faculty with Edmond Bouty becoming the deputy director of the laboratory. In the same year, he presided over the Academy of Sciences and became permanent secretary in 1884 succeeding Jean-Baptiste Dumas
Jean-Baptiste Dumas
Jean Baptiste André Dumas was a French chemist, best known for his works on organic analysis and synthesis, as well as the determination of atomic weights and molecular weights by measuring vapor densities...

.

His work encompassed the subjects of magnetism
Magnetism
Magnetism is a property of materials that respond at an atomic or subatomic level to an applied magnetic field. Ferromagnetism is the strongest and most familiar type of magnetism. It is responsible for the behavior of permanent magnets, which produce their own persistent magnetic fields, as well...

, electricity
Electricity
Electricity is a general term encompassing a variety of phenomena resulting from the presence and flow of electric charge. These include many easily recognizable phenomena, such as lightning, static electricity, and the flow of electrical current in an electrical wire...

, humidity
Humidity
Humidity is a term for the amount of water vapor in the air, and can refer to any one of several measurements of humidity. Formally, humid air is not "moist air" but a mixture of water vapor and other constituents of air, and humidity is defined in terms of the water content of this mixture,...

, and capillary action
Capillary action
Capillary action, or capilarity, is the ability of a liquid to flow against gravity where liquid spontanously rise in a narrow space such as between the hair of a paint-brush, in a thin tube, or in porous material such as paper or in some non-porous material such as liquified carbon fiber, or in a...

. In his work with optics, he discovered the elliptical polarization of light reflected from glassy substances in the vicinity of the angle of polarization, as predicted by Augustin-Louis Cauchy.

He married at Reims in 1851, Theresa Josephine Eudoxia Lebrun (1832-1880), with whom he had a daughter who was the wife of the physicist Henri Becquerel
Henri Becquerel
Antoine Henri Becquerel was a French physicist, Nobel laureate, and the discoverer of radioactivity along with Marie Curie and Pierre Curie, for which all three won the 1903 Nobel Prize in Physics.-Early life:...

, and a son, a painter, Paul Jamin
Paul Jamin
Paul Joseph Jamin was a French painter of the Academic Classicism school. He was the son of the renowned physicist Jules Jamin. He married Augustine Marie Caroline Bastien in 1882, with whom he had four children...

.

Works

  • La rosée, son histoire, son rôle (Dew, its history and its role), published in soft cover edition by VillaRrose Publishing 2004, ISBN 2-9510883-3-7) — an article of Jamin in Revue des Deux Mondes, January 15, 1879.

Sources

and translated from the French Wikipedia article

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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