Gennes, Pierre-Gilles de

Gennes, Pierre-Gilles de
▪ 2008

      French physicist

born Oct. 24, 1932, Paris, France

died May 18, 2007, Orsay, France
was awarded the 1991 Nobel Prize for Physics for his discoveries about the ordering of molecules in liquid crystals and polymers. Gennes studied at the École Normale Supérieure. He was employed as an engineer at the French Atomic Energy Commission (1955–61) and then was a professor with the Orsay Liquid Crystals Group of the University of Paris (1961–71). He later taught at the Collège de France (1971–76) and served as director of the École Supérieure de Physique et de Chimie Industrielles (1976–2002). Gennes investigated how extremely complex forms of matter behave during the transition from order to disorder. He showed how electrically or mechanically induced phase changes transform liquid crystals from a transparent to an opaque state, the phenomenon exploited in liquid-crystal displays, including LCDs used in televisions and other consumer items. His research on polymers contributed to understanding how the long molecular chains in molten polymers move, which made it possible for scientists to better determine and control polymer properties. A few of the judges on the Nobel committee described Gennes as “the Isaac Newton of our time” in having successfully applied mathematics to generalized explanations of several different physical phenomena.

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▪ French physicist
born Oct. 24, 1932, Paris, France
died May 18, 2007, Orsay

      French physicist, who was awarded the 1991 Nobel Prize for Physics for his discoveries about the ordering of molecules in liquid crystals and polymers.

      The son of a physician, Gennes studied at the École Normale Supérieure. He was employed as an engineer at the French Atomic Energy Commission (1955–61) and then was a professor with the Orsay Liquid Crystals Group of the University of Paris (1961–71). He later taught at the Collège de France (1971–76) and served as director of the École Supérieure de Physique et de Chimie Industrielles (1976–2002).

      Gennes investigated how extremely complex forms of matter behave during the transition from order to disorder. He showed how electrically or mechanically induced phase changes transform liquid crystals from a transparent to an opaque state, the phenomenon exploited in liquid-crystal displays. His research on polymers (polymer) contributed to understanding how the long molecular chains in molten polymers move, making it possible for scientists to better determine and control polymer properties.

      A few of the judges on the Nobel committee described Gennes as “the Isaac Newton of our time” in having successfully applied mathematics to generalized explanations of several different physical phenomena.

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Universalium. 2010.

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  • Gennes , Pierre Gilles de — (1932–) French physicist Parisian born Gennes was educated at the Ecole Normale in his native city, completing his PhD there in 1955. He was appointed professor of solid state physics at the University of Paris in 1961; since 1971 he has served… …   Scientists

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