Ilya Prigogine, Russian-Belgian chemist and physicist, Nobel Prize laureate (d. 2003)
Viscount Ilya Romanovich Prigogine (; Russian: Илья́ Рома́нович Приго́жин; 25 January [O.S. 12 January] 1917 – 28 May 2003) was a physical chemist and Nobel laureate noted for his work on dissipative structures, complex systems, and irreversibility.