Ilya Prigogine (Russian: Илья́ Рома́нович Приго́жин) (January 25, 1917 – May
28, 2003) was a Belgian physicist and chemist noted for his work on dissipative
structures, complex systems, and irreversibility.
Prigogine was born in Moscow, Russia and studied chemistry at the Université
Libre de Bruxelles in Brussels, Belgium. In 1959, he was appointed director of
the International Solvay Institute in Brussels, Belgium. He was later appointed
Regental Professor and Ashbel Smith Professor of Physics and Chemical
Engineering at the University of Texas at Austin in the United States, where in
1967 he co-founded what is now called the Ilya Prigogine Center for Studies in
Statistical Mechanics and Complex Systems.
Dissipative structures theory
Prigogine is known best for his work on dissipative structures concentrated on
thermodynamic systems far from equilibrium. His work in this field led to
pioneering research in self-organizing systems, as well as philosophic inquiries
into the role of time in the natural sciences. His work is seen by many as a
bridge between natural sciences and social sciences. With University of Texas at
Austin professor Robert Herman, he also developed the basis of the two fluid
model, a traffic model for urban networks, using Bose-Einstein Condensation
theory in traffic engineering.
Other works
In his later years, his work concentrated on the mathematical role of
determinism in nonlinear systems on both the classical and quantum level. He
proposed the use of a complex Hilbert space in quantum mechanics as one possible
method of achieving irreversibility in quantum systems. He also co-authored
several books with Isabelle Stengers, including The End of Certainty.
Awards
Prigogine was the author of several scientific articles and books. He was a
member of numerous scientific organizations, and received numerous awards,
prizes and 53 honorary degrees. He was awarded the 1977 Nobel Prize in Chemistry.
In 1989, he was awarded the title of Viscount by the King of Belgium.
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