Ilya Prigogine (in Russian: Илья Романович Пригожин, Ilia Romanovitch Prigogine), born 25 January 1917 in Moscow, died 28 May 2003 in Brussels, was a Russian-born Belgian chemist and physicist.
Prigogine was born in Moscow a few months before the Russian Revolution of 1917, into a Jewish family. His father, Roman (Ruvim Abramovich) Prigogine, was a chemical engineer at the Imperial Moscow Technical School; his mother, Yulia Vikhman, was a pianist.
He had a brother, Alexandre (1913-1991) who became an ornithologist.
The Prigogines were critical of Soviet system and left Russia in 1921. They first went to Germany and, in 1929, settled in Belgium. Ilya received the Belgian nationality in 1949.
Ilya Prigogine was first married to Belgian poet Hélène Jofé (as an author also known as Hélène Prigogine) and they had a son. After their divorce, he married Polish-born chemist Maria Prokopowicz (also known as Maria Prigogine) in 1961. They had one son.
He received the Rumford medal in 1976 and the Nobel Prize of Chemistry in 1977.
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