Sybren de Groot

Sybren de Groot sIn thermodynamics, Sybren de Groot (1916-1994) was a Danish physicist noted for his work in initiating the field of nonequilibrium thermodynamics or irreversible thermodynamics; his most popular book is the 1961 Nonequilibrium Thermodynamics, co-written with his graduate student Peter Mazur. [1]

De Groot’s work was very influential to Belgian chemist Ilya Prigogine, who comments in his 1977 Nobel Lecture: [3]

“Notwithstanding this local character, the linear thermodynamics of irreversible processes had already led to numerous applications, as shown by people such as J. Meixner, S.R. de Groot and P. Mazur, and, in the area of biology, A. Katchalsky. It was for me a supplementary incentive when I had to meet more general situations. Those problems had confronted us for more than twenty years, between 1947 and 1967, until we finally reached the notion of ‘dissipative structure’.”

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De Groot completed his PhD in 1945, with a dissertation on “The Soret Effect: Thermal Diffusion in Condensed Phases”, under Dutch physicist Cornelius Gorter at the University of Amsterdam. [2]

1. De Groot, Sybren R. and Maxur, Peter. (1961). Non-Equilibrium Thermodynamics. New York: Dover.
2. Sybren Ruurds de Groot – Mathematics Genealogy Project.
3. Prigogine, Ilya. (1977). “Time, Structure and Fluctuations”, Nobel Lecture, Dec. 08.

Further reading
● De Groot, Sybren R. (1951). Thermodynamics of Irreversible Processes. Amsterdam: North Holland Publishing Co.

External links
● Sybren Ruurds de Groot (German → English) – Wikipedia.

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